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Finding the Fourth Proportional to 73,259.55, 101,098.79 and 39,725.55

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Solution

The fourth proportional to 73,259.55, 101,098.79 and 39,725.55 is: 54,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.55 : 101,098.79 = 39,725.55 : x
  2. Step 2: Convert to fraction form
    73,259.55/101,098.79 = 39,725.55/x
  3. Step 3: Cross multiply
    73,259.55x = 101,098.79 × 39,725.55
  4. Step 4: Simplify right side
    73,259.55x = 4,016,205,037.08
  5. Step 5: Solve for x
    x = 4,016,205,037.08/73,259.55
  6. Step 6: Final answer
    x = 54,821.59

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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.