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Finding the Fourth Proportional to 72,397.80, 108,596.70 and 60,150.60

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Solution

The fourth proportional to 72,397.80, 108,596.70 and 60,150.60 is: 90,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,397.80 : 108,596.70 = 60,150.60 : x
  2. Step 2: Convert to fraction form
    72,397.80/108,596.70 = 60,150.60/x
  3. Step 3: Cross multiply
    72,397.80x = 108,596.70 × 60,150.60
  4. Step 4: Simplify right side
    72,397.80x = 6,532,156,663.02
  5. Step 5: Solve for x
    x = 6,532,156,663.02/72,397.80
  6. Step 6: Final answer
    x = 90,225.90

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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.