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Finding the Fourth Proportional to 186,132.63, 279,062.82 and 59,700.90

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Solution

The fourth proportional to 186,132.63, 279,062.82 and 59,700.90 is: 89,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,132.63 : 279,062.82 = 59,700.90 : x
  2. Step 2: Convert to fraction form
    186,132.63/279,062.82 = 59,700.90/x
  3. Step 3: Cross multiply
    186,132.63x = 279,062.82 × 59,700.90
  4. Step 4: Simplify right side
    186,132.63x = 16,660,300,987.30
  5. Step 5: Solve for x
    x = 16,660,300,987.30/186,132.63
  6. Step 6: Final answer
    x = 89,507.68

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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.