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Finding the Fourth Proportional to 127,037.50, 175,299.15 and 73,339.84

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Solution

The fourth proportional to 127,037.50, 175,299.15 and 73,339.84 is: 101,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.50 : 175,299.15 = 73,339.84 : x
  2. Step 2: Convert to fraction form
    127,037.50/175,299.15 = 73,339.84/x
  3. Step 3: Cross multiply
    127,037.50x = 175,299.15 × 73,339.84
  4. Step 4: Simplify right side
    127,037.50x = 12,856,411,613.14
  5. Step 5: Solve for x
    x = 12,856,411,613.14/127,037.50
  6. Step 6: Final answer
    x = 101,201.71

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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.