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Finding the Fourth Proportional to 317,750.08, 476,624.72 and 81,092.76

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Solution

The fourth proportional to 317,750.08, 476,624.72 and 81,092.76 is: 121,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,750.08 : 476,624.72 = 81,092.76 : x
  2. Step 2: Convert to fraction form
    317,750.08/476,624.72 = 81,092.76/x
  3. Step 3: Cross multiply
    317,750.08x = 476,624.72 × 81,092.76
  4. Step 4: Simplify right side
    317,750.08x = 38,650,814,029.03
  5. Step 5: Solve for x
    x = 38,650,814,029.03/317,750.08
  6. Step 6: Final answer
    x = 121,639.04

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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.