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Finding the Fourth Proportional to 125,217.48, 187,826.22 and 36,477.90

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Solution

The fourth proportional to 125,217.48, 187,826.22 and 36,477.90 is: 54,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217.48 : 187,826.22 = 36,477.90 : x
  2. Step 2: Convert to fraction form
    125,217.48/187,826.22 = 36,477.90/x
  3. Step 3: Cross multiply
    125,217.48x = 187,826.22 × 36,477.90
  4. Step 4: Simplify right side
    125,217.48x = 6,851,506,070.54
  5. Step 5: Solve for x
    x = 6,851,506,070.54/125,217.48
  6. Step 6: Final answer
    x = 54,716.85

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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.