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Finding the Fourth Proportional to 100,363.60, 150,545.40 and 60,932.80

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Solution

The fourth proportional to 100,363.60, 150,545.40 and 60,932.80 is: 91,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,363.60 : 150,545.40 = 60,932.80 : x
  2. Step 2: Convert to fraction form
    100,363.60/150,545.40 = 60,932.80/x
  3. Step 3: Cross multiply
    100,363.60x = 150,545.40 × 60,932.80
  4. Step 4: Simplify right side
    100,363.60x = 9,173,152,749.12
  5. Step 5: Solve for x
    x = 9,173,152,749.12/100,363.60
  6. Step 6: Final answer
    x = 91,399.20

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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.