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Finding the Fourth Proportional to 169,645.50, 254,468.25 and 51,314.22

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Solution

The fourth proportional to 169,645.50, 254,468.25 and 51,314.22 is: 76,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,645.50 : 254,468.25 = 51,314.22 : x
  2. Step 2: Convert to fraction form
    169,645.50/254,468.25 = 51,314.22/x
  3. Step 3: Cross multiply
    169,645.50x = 254,468.25 × 51,314.22
  4. Step 4: Simplify right side
    169,645.50x = 13,057,839,763.52
  5. Step 5: Solve for x
    x = 13,057,839,763.52/169,645.50
  6. Step 6: Final answer
    x = 76,971.33

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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.