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Finding the Fourth Proportional to 125,503.85, 188,242.08 and 36,758.13

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Solution

The fourth proportional to 125,503.85, 188,242.08 and 36,758.13 is: 55,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.85 : 188,242.08 = 36,758.13 : x
  2. Step 2: Convert to fraction form
    125,503.85/188,242.08 = 36,758.13/x
  3. Step 3: Cross multiply
    125,503.85x = 188,242.08 × 36,758.13
  4. Step 4: Simplify right side
    125,503.85x = 6,919,426,848.11
  5. Step 5: Solve for x
    x = 6,919,426,848.11/125,503.85
  6. Step 6: Final answer
    x = 55,133.18

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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.