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Finding the Fourth Proportional to 186,444.89, 279,678.39 and 58,385.13

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Solution

The fourth proportional to 186,444.89, 279,678.39 and 58,385.13 is: 87,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,444.89 : 279,678.39 = 58,385.13 : x
  2. Step 2: Convert to fraction form
    186,444.89/279,678.39 = 58,385.13/x
  3. Step 3: Cross multiply
    186,444.89x = 279,678.39 × 58,385.13
  4. Step 4: Simplify right side
    186,444.89x = 16,329,057,468.02
  5. Step 5: Solve for x
    x = 16,329,057,468.02/186,444.89
  6. Step 6: Final answer
    x = 87,581.15

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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.