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Finding the Fourth Proportional to 169,778,840.90, 254,668,261.35 and 169,778,840.90

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Solution

The fourth proportional to 169,778,840.90, 254,668,261.35 and 169,778,840.90 is: 254,668,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,778,840.90 : 254,668,261.35 = 169,778,840.90 : x
  2. Step 2: Convert to fraction form
    169,778,840.90/254,668,261.35 = 169,778,840.90/x
  3. Step 3: Cross multiply
    169,778,840.90x = 254,668,261.35 × 169,778,840.90
  4. Step 4: Simplify right side
    169,778,840.90x = 43,237,282,226,021,272
  5. Step 5: Solve for x
    x = 43,237,282,226,021,272/169,778,840.90
  6. Step 6: Final answer
    x = 254,668,261.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.