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Finding the Fourth Proportional to 150,768.60, 226,152.90 and 79,909.80

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Solution

The fourth proportional to 150,768.60, 226,152.90 and 79,909.80 is: 119,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,768.60 : 226,152.90 = 79,909.80 : x
  2. Step 2: Convert to fraction form
    150,768.60/226,152.90 = 79,909.80/x
  3. Step 3: Cross multiply
    150,768.60x = 226,152.90 × 79,909.80
  4. Step 4: Simplify right side
    150,768.60x = 18,071,833,008.42
  5. Step 5: Solve for x
    x = 18,071,833,008.42/150,768.60
  6. Step 6: Final answer
    x = 119,864.70

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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.