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Finding the Fourth Proportional to 152,439.20, 228,658.80 and 149,523.20

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Solution

The fourth proportional to 152,439.20, 228,658.80 and 149,523.20 is: 224,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,439.20 : 228,658.80 = 149,523.20 : x
  2. Step 2: Convert to fraction form
    152,439.20/228,658.80 = 149,523.20/x
  3. Step 3: Cross multiply
    152,439.20x = 228,658.80 × 149,523.20
  4. Step 4: Simplify right side
    152,439.20x = 34,189,795,484.16
  5. Step 5: Solve for x
    x = 34,189,795,484.16/152,439.20
  6. Step 6: Final answer
    x = 224,284.80

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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.