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Finding the Fourth Proportional to 125,246.88, 187,874.04 and 36,498.48

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Solution

The fourth proportional to 125,246.88, 187,874.04 and 36,498.48 is: 54,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,246.88 : 187,874.04 = 36,498.48 : x
  2. Step 2: Convert to fraction form
    125,246.88/187,874.04 = 36,498.48/x
  3. Step 3: Cross multiply
    125,246.88x = 187,874.04 × 36,498.48
  4. Step 4: Simplify right side
    125,246.88x = 6,857,116,891.46
  5. Step 5: Solve for x
    x = 6,857,116,891.46/125,246.88
  6. Step 6: Final answer
    x = 54,748.80

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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.