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Finding the Fourth Proportional to 191,877.57, 287,817.08 and 58,757.31

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Solution

The fourth proportional to 191,877.57, 287,817.08 and 58,757.31 is: 88,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,877.57 : 287,817.08 = 58,757.31 : x
  2. Step 2: Convert to fraction form
    191,877.57/287,817.08 = 58,757.31/x
  3. Step 3: Cross multiply
    191,877.57x = 287,817.08 × 58,757.31
  4. Step 4: Simplify right side
    191,877.57x = 16,911,357,099.07
  5. Step 5: Solve for x
    x = 16,911,357,099.07/191,877.57
  6. Step 6: Final answer
    x = 88,136.19

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Why These Related Problems?

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