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Finding the Fourth Proportional to 187,800.48, 281,710.98 and 47,560.32

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Solution

The fourth proportional to 187,800.48, 281,710.98 and 47,560.32 is: 71,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,800.48 : 281,710.98 = 47,560.32 : x
  2. Step 2: Convert to fraction form
    187,800.48/281,710.98 = 47,560.32/x
  3. Step 3: Cross multiply
    187,800.48x = 281,710.98 × 47,560.32
  4. Step 4: Simplify right side
    187,800.48x = 13,398,264,356.31
  5. Step 5: Solve for x
    x = 13,398,264,356.31/187,800.48
  6. Step 6: Final answer
    x = 71,343.08

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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.