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Finding the Fourth Proportional to 187,229.76, 280,844.64 and 62,570.76

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Solution

The fourth proportional to 187,229.76, 280,844.64 and 62,570.76 is: 93,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,229.76 : 280,844.64 = 62,570.76 : x
  2. Step 2: Convert to fraction form
    187,229.76/280,844.64 = 62,570.76/x
  3. Step 3: Cross multiply
    187,229.76x = 280,844.64 × 62,570.76
  4. Step 4: Simplify right side
    187,229.76x = 17,572,662,566.73
  5. Step 5: Solve for x
    x = 17,572,662,566.73/187,229.76
  6. Step 6: Final answer
    x = 93,856.14

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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.