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Finding the Fourth Proportional to 173,051.40, 259,730.70 and 148,168.20

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Solution

The fourth proportional to 173,051.40, 259,730.70 and 148,168.20 is: 222,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,051.40 : 259,730.70 = 148,168.20 : x
  2. Step 2: Convert to fraction form
    173,051.40/259,730.70 = 148,168.20/x
  3. Step 3: Cross multiply
    173,051.40x = 259,730.70 × 148,168.20
  4. Step 4: Simplify right side
    173,051.40x = 38,483,830,303.74
  5. Step 5: Solve for x
    x = 38,483,830,303.74/173,051.40
  6. Step 6: Final answer
    x = 222,383.81

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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.