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Finding the Fourth Proportional to 69,115.68, 95,292.45 and 45,204.48

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Solution

The fourth proportional to 69,115.68, 95,292.45 and 45,204.48 is: 62,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115.68 : 95,292.45 = 45,204.48 : x
  2. Step 2: Convert to fraction form
    69,115.68/95,292.45 = 45,204.48/x
  3. Step 3: Cross multiply
    69,115.68x = 95,292.45 × 45,204.48
  4. Step 4: Simplify right side
    69,115.68x = 4,307,645,650.18
  5. Step 5: Solve for x
    x = 4,307,645,650.18/69,115.68
  6. Step 6: Final answer
    x = 62,325.16

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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.