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Finding the Fourth Proportional to 134,737.49, 185,935.28 and 74,313.74

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Solution

The fourth proportional to 134,737.49, 185,935.28 and 74,313.74 is: 102,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,737.49 : 185,935.28 = 74,313.74 : x
  2. Step 2: Convert to fraction form
    134,737.49/185,935.28 = 74,313.74/x
  3. Step 3: Cross multiply
    134,737.49x = 185,935.28 × 74,313.74
  4. Step 4: Simplify right side
    134,737.49x = 13,817,544,753.50
  5. Step 5: Solve for x
    x = 13,817,544,753.50/134,737.49
  6. Step 6: Final answer
    x = 102,551.60

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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.