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Finding the Fourth Proportional to 187,159.42, 280,741.56 and 62,500.42

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Solution

The fourth proportional to 187,159.42, 280,741.56 and 62,500.42 is: 93,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,159.42 : 280,741.56 = 62,500.42 : x
  2. Step 2: Convert to fraction form
    187,159.42/280,741.56 = 62,500.42/x
  3. Step 3: Cross multiply
    187,159.42x = 280,741.56 × 62,500.42
  4. Step 4: Simplify right side
    187,159.42x = 17,546,465,411.46
  5. Step 5: Solve for x
    x = 17,546,465,411.46/187,159.42
  6. Step 6: Final answer
    x = 93,751.44

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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.