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Finding the Fourth Proportional to 191,757.50, 287,636.10 and 51,516.12

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Solution

The fourth proportional to 191,757.50, 287,636.10 and 51,516.12 is: 77,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,757.50 : 287,636.10 = 51,516.12 : x
  2. Step 2: Convert to fraction form
    191,757.50/287,636.10 = 51,516.12/x
  3. Step 3: Cross multiply
    191,757.50x = 287,636.10 × 51,516.12
  4. Step 4: Simplify right side
    191,757.50x = 14,817,896,729.38
  5. Step 5: Solve for x
    x = 14,817,896,729.38/191,757.50
  6. Step 6: Final answer
    x = 77,274.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.