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Finding the Fourth Proportional to 125,050.73, 187,520.67 and 89,842.77

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Solution

The fourth proportional to 125,050.73, 187,520.67 and 89,842.77 is: 134,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.73 : 187,520.67 = 89,842.77 : x
  2. Step 2: Convert to fraction form
    125,050.73/187,520.67 = 89,842.77/x
  3. Step 3: Cross multiply
    125,050.73x = 187,520.67 × 89,842.77
  4. Step 4: Simplify right side
    125,050.73x = 16,847,376,425.06
  5. Step 5: Solve for x
    x = 16,847,376,425.06/125,050.73
  6. Step 6: Final answer
    x = 134,724.34

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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.