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Finding the Fourth Proportional to 125,191.56, 187,656.13 and 46,255.44

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Solution

The fourth proportional to 125,191.56, 187,656.13 and 46,255.44 is: 69,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191.56 : 187,656.13 = 46,255.44 : x
  2. Step 2: Convert to fraction form
    125,191.56/187,656.13 = 46,255.44/x
  3. Step 3: Cross multiply
    125,191.56x = 187,656.13 × 46,255.44
  4. Step 4: Simplify right side
    125,191.56x = 8,680,117,363.19
  5. Step 5: Solve for x
    x = 8,680,117,363.19/125,191.56
  6. Step 6: Final answer
    x = 69,334.68

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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.