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Finding the Fourth Proportional to 152,313.20, 228,469.80 and 41,505.20

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Solution

The fourth proportional to 152,313.20, 228,469.80 and 41,505.20 is: 62,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,313.20 : 228,469.80 = 41,505.20 : x
  2. Step 2: Convert to fraction form
    152,313.20/228,469.80 = 41,505.20/x
  3. Step 3: Cross multiply
    152,313.20x = 228,469.80 × 41,505.20
  4. Step 4: Simplify right side
    152,313.20x = 9,482,683,600.61
  5. Step 5: Solve for x
    x = 9,482,683,600.61/152,313.20
  6. Step 6: Final answer
    x = 62,257.79

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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.