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Finding the Fourth Proportional to 125,214.71, 187,830.72 and 50,334.93

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Solution

The fourth proportional to 125,214.71, 187,830.72 and 50,334.93 is: 75,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,214.71 : 187,830.72 = 50,334.93 : x
  2. Step 2: Convert to fraction form
    125,214.71/187,830.72 = 50,334.93/x
  3. Step 3: Cross multiply
    125,214.71x = 187,830.72 × 50,334.93
  4. Step 4: Simplify right side
    125,214.71x = 9,454,446,143.05
  5. Step 5: Solve for x
    x = 9,454,446,143.05/125,214.71
  6. Step 6: Final answer
    x = 75,505.88

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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.