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Finding the Fourth Proportional to 92,443.59, 138,665.80 and 29,264.02

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Solution

The fourth proportional to 92,443.59, 138,665.80 and 29,264.02 is: 43,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.59 : 138,665.80 = 29,264.02 : x
  2. Step 2: Convert to fraction form
    92,443.59/138,665.80 = 29,264.02/x
  3. Step 3: Cross multiply
    92,443.59x = 138,665.80 × 29,264.02
  4. Step 4: Simplify right side
    92,443.59x = 4,057,919,283.28
  5. Step 5: Solve for x
    x = 4,057,919,283.28/92,443.59
  6. Step 6: Final answer
    x = 43,896.17

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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.