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Finding the Fourth Proportional to 157,491.73, 217,344.37 and 89,520.14

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Solution

The fourth proportional to 157,491.73, 217,344.37 and 89,520.14 is: 123,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,491.73 : 217,344.37 = 89,520.14 : x
  2. Step 2: Convert to fraction form
    157,491.73/217,344.37 = 89,520.14/x
  3. Step 3: Cross multiply
    157,491.73x = 217,344.37 × 89,520.14
  4. Step 4: Simplify right side
    157,491.73x = 19,456,697,343.89
  5. Step 5: Solve for x
    x = 19,456,697,343.89/157,491.73
  6. Step 6: Final answer
    x = 123,541.08

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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.