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Finding the Fourth Proportional to 186,314.87, 279,290.04 and 73,957.74

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Solution

The fourth proportional to 186,314.87, 279,290.04 and 73,957.74 is: 110,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,314.87 : 279,290.04 = 73,957.74 : x
  2. Step 2: Convert to fraction form
    186,314.87/279,290.04 = 73,957.74/x
  3. Step 3: Cross multiply
    186,314.87x = 279,290.04 × 73,957.74
  4. Step 4: Simplify right side
    186,314.87x = 20,655,660,162.91
  5. Step 5: Solve for x
    x = 20,655,660,162.91/186,314.87
  6. Step 6: Final answer
    x = 110,864.26

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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.