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Finding the Fourth Proportional to 186,047.60, 278,987.88 and 59,664.56

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Solution

The fourth proportional to 186,047.60, 278,987.88 and 59,664.56 is: 89,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,047.60 : 278,987.88 = 59,664.56 : x
  2. Step 2: Convert to fraction form
    186,047.60/278,987.88 = 59,664.56/x
  3. Step 3: Cross multiply
    186,047.60x = 278,987.88 × 59,664.56
  4. Step 4: Simplify right side
    186,047.60x = 16,645,689,105.53
  5. Step 5: Solve for x
    x = 16,645,689,105.53/186,047.60
  6. Step 6: Final answer
    x = 89,470.06

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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.