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Finding the Fourth Proportional to 95,218.80, 142,828.20 and 60,313.20

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Solution

The fourth proportional to 95,218.80, 142,828.20 and 60,313.20 is: 90,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,218.80 : 142,828.20 = 60,313.20 : x
  2. Step 2: Convert to fraction form
    95,218.80/142,828.20 = 60,313.20/x
  3. Step 3: Cross multiply
    95,218.80x = 142,828.20 × 60,313.20
  4. Step 4: Simplify right side
    95,218.80x = 8,614,425,792.24
  5. Step 5: Solve for x
    x = 8,614,425,792.24/95,218.80
  6. Step 6: Final answer
    x = 90,469.80

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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.