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Finding the Fourth Proportional to 157,010.29, 216,669.56 and 89,033.47

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Solution

The fourth proportional to 157,010.29, 216,669.56 and 89,033.47 is: 122,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,010.29 : 216,669.56 = 89,033.47 : x
  2. Step 2: Convert to fraction form
    157,010.29/216,669.56 = 89,033.47/x
  3. Step 3: Cross multiply
    157,010.29x = 216,669.56 × 89,033.47
  4. Step 4: Simplify right side
    157,010.29x = 19,290,842,770.17
  5. Step 5: Solve for x
    x = 19,290,842,770.17/157,010.29
  6. Step 6: Final answer
    x = 122,863.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.