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Finding the Fourth Proportional to 142,832.80, 214,162.80 and 63,932.32

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Solution

The fourth proportional to 142,832.80, 214,162.80 and 63,932.32 is: 95,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832.80 : 214,162.80 = 63,932.32 : x
  2. Step 2: Convert to fraction form
    142,832.80/214,162.80 = 63,932.32/x
  3. Step 3: Cross multiply
    142,832.80x = 214,162.80 × 63,932.32
  4. Step 4: Simplify right side
    142,832.80x = 13,691,924,661.70
  5. Step 5: Solve for x
    x = 13,691,924,661.70/142,832.80
  6. Step 6: Final answer
    x = 95,859.81

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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.