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Finding the Fourth Proportional to 416,666.72, 625,037.00 and 117,149.91

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Solution

The fourth proportional to 416,666.72, 625,037.00 and 117,149.91 is: 175,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,666.72 : 625,037.00 = 117,149.91 : x
  2. Step 2: Convert to fraction form
    416,666.72/625,037.00 = 117,149.91/x
  3. Step 3: Cross multiply
    416,666.72x = 625,037.00 × 117,149.91
  4. Step 4: Simplify right side
    416,666.72x = 73,223,027,710.92
  5. Step 5: Solve for x
    x = 73,223,027,710.92/416,666.72
  6. Step 6: Final answer
    x = 175,735.25

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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.