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Finding the Fourth Proportional to 69,265.72, 103,898.58 and 55,502.20

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Solution

The fourth proportional to 69,265.72, 103,898.58 and 55,502.20 is: 83,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,265.72 : 103,898.58 = 55,502.20 : x
  2. Step 2: Convert to fraction form
    69,265.72/103,898.58 = 55,502.20/x
  3. Step 3: Cross multiply
    69,265.72x = 103,898.58 × 55,502.20
  4. Step 4: Simplify right side
    69,265.72x = 5,766,599,766.88
  5. Step 5: Solve for x
    x = 5,766,599,766.88/69,265.72
  6. Step 6: Final answer
    x = 83,253.30

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1.5x scale

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.