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Finding the Fourth Proportional to 125,501.66, 173,191.92 and 75,200.66

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Solution

The fourth proportional to 125,501.66, 173,191.92 and 75,200.66 is: 103,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,501.66 : 173,191.92 = 75,200.66 : x
  2. Step 2: Convert to fraction form
    125,501.66/173,191.92 = 75,200.66/x
  3. Step 3: Cross multiply
    125,501.66x = 173,191.92 × 75,200.66
  4. Step 4: Simplify right side
    125,501.66x = 13,024,145,824.71
  5. Step 5: Solve for x
    x = 13,024,145,824.71/125,501.66
  6. Step 6: Final answer
    x = 103,776.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.