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Finding the Fourth Proportional to 69,191.78, 95,444.88 and 43,689.08

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Solution

The fourth proportional to 69,191.78, 95,444.88 and 43,689.08 is: 60,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,191.78 : 95,444.88 = 43,689.08 : x
  2. Step 2: Convert to fraction form
    69,191.78/95,444.88 = 43,689.08/x
  3. Step 3: Cross multiply
    69,191.78x = 95,444.88 × 43,689.08
  4. Step 4: Simplify right side
    69,191.78x = 4,169,898,997.91
  5. Step 5: Solve for x
    x = 4,169,898,997.91/69,191.78
  6. Step 6: Final answer
    x = 60,265.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.