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Finding the Fourth Proportional to 125,189.34, 187,814.79 and 36,443.62

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Solution

The fourth proportional to 125,189.34, 187,814.79 and 36,443.62 is: 54,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,189.34 : 187,814.79 = 36,443.62 : x
  2. Step 2: Convert to fraction form
    125,189.34/187,814.79 = 36,443.62/x
  3. Step 3: Cross multiply
    125,189.34x = 187,814.79 × 36,443.62
  4. Step 4: Simplify right side
    125,189.34x = 6,844,650,367.60
  5. Step 5: Solve for x
    x = 6,844,650,367.60/125,189.34
  6. Step 6: Final answer
    x = 54,674.39

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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.