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Finding the Fourth Proportional to 125,492.16, 188,218.68 and 41,251.74

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Solution

The fourth proportional to 125,492.16, 188,218.68 and 41,251.74 is: 61,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,492.16 : 188,218.68 = 41,251.74 : x
  2. Step 2: Convert to fraction form
    125,492.16/188,218.68 = 41,251.74/x
  3. Step 3: Cross multiply
    125,492.16x = 188,218.68 × 41,251.74
  4. Step 4: Simplify right side
    125,492.16x = 7,764,348,050.50
  5. Step 5: Solve for x
    x = 7,764,348,050.50/125,492.16
  6. Step 6: Final answer
    x = 61,871.18

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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.