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Finding the Fourth Proportional to 134,317.92, 185,359.16 and 73,893.17

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Solution

The fourth proportional to 134,317.92, 185,359.16 and 73,893.17 is: 101,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,317.92 : 185,359.16 = 73,893.17 : x
  2. Step 2: Convert to fraction form
    134,317.92/185,359.16 = 73,893.17/x
  3. Step 3: Cross multiply
    134,317.92x = 185,359.16 × 73,893.17
  4. Step 4: Simplify right side
    134,317.92x = 13,696,774,624.68
  5. Step 5: Solve for x
    x = 13,696,774,624.68/134,317.92
  6. Step 6: Final answer
    x = 101,972.80

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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.