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Finding the Fourth Proportional to 180,445.65, 270,545.46 and 91,527.70

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Solution

The fourth proportional to 180,445.65, 270,545.46 and 91,527.70 is: 137,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,445.65 : 270,545.46 = 91,527.70 : x
  2. Step 2: Convert to fraction form
    180,445.65/270,545.46 = 91,527.70/x
  3. Step 3: Cross multiply
    180,445.65x = 270,545.46 × 91,527.70
  4. Step 4: Simplify right side
    180,445.65x = 24,762,403,699.24
  5. Step 5: Solve for x
    x = 24,762,403,699.24/180,445.65
  6. Step 6: Final answer
    x = 137,229.15

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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.