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Finding the Fourth Proportional to 83,548.65, 125,177.12 and 69,598.32

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Solution

The fourth proportional to 83,548.65, 125,177.12 and 69,598.32 is: 104,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.65 : 125,177.12 = 69,598.32 : x
  2. Step 2: Convert to fraction form
    83,548.65/125,177.12 = 69,598.32/x
  3. Step 3: Cross multiply
    83,548.65x = 125,177.12 × 69,598.32
  4. Step 4: Simplify right side
    83,548.65x = 8,712,116,906.45
  5. Step 5: Solve for x
    x = 8,712,116,906.45/83,548.65
  6. Step 6: Final answer
    x = 104,275.97

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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.