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Finding the Fourth Proportional to 187,807.41, 281,711.63 and 54,690.93

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Solution

The fourth proportional to 187,807.41, 281,711.63 and 54,690.93 is: 82,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,807.41 : 281,711.63 = 54,690.93 : x
  2. Step 2: Convert to fraction form
    187,807.41/281,711.63 = 54,690.93/x
  3. Step 3: Cross multiply
    187,807.41x = 281,711.63 × 54,690.93
  4. Step 4: Simplify right side
    187,807.41x = 15,407,071,036.52
  5. Step 5: Solve for x
    x = 15,407,071,036.52/187,807.41
  6. Step 6: Final answer
    x = 82,036.54

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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.