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Finding the Fourth Proportional to 113,954.62, 157,254.07 and 62,966.54

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Solution

The fourth proportional to 113,954.62, 157,254.07 and 62,966.54 is: 86,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,954.62 : 157,254.07 = 62,966.54 : x
  2. Step 2: Convert to fraction form
    113,954.62/157,254.07 = 62,966.54/x
  3. Step 3: Cross multiply
    113,954.62x = 157,254.07 × 62,966.54
  4. Step 4: Simplify right side
    113,954.62x = 9,901,744,373.99
  5. Step 5: Solve for x
    x = 9,901,744,373.99/113,954.62
  6. Step 6: Final answer
    x = 86,892.00

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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.