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Finding the Fourth Proportional to 93,754.65, 129,381.75 and 50,734.14

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Solution

The fourth proportional to 93,754.65, 129,381.75 and 50,734.14 is: 70,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,754.65 : 129,381.75 = 50,734.14 : x
  2. Step 2: Convert to fraction form
    93,754.65/129,381.75 = 50,734.14/x
  3. Step 3: Cross multiply
    93,754.65x = 129,381.75 × 50,734.14
  4. Step 4: Simplify right side
    93,754.65x = 6,564,071,817.95
  5. Step 5: Solve for x
    x = 6,564,071,817.95/93,754.65
  6. Step 6: Final answer
    x = 70,013.29

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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.