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Finding the Fourth Proportional to 159,973.32, 220,758.96 and 88,351.80

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Solution

The fourth proportional to 159,973.32, 220,758.96 and 88,351.80 is: 121,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,973.32 : 220,758.96 = 88,351.80 : x
  2. Step 2: Convert to fraction form
    159,973.32/220,758.96 = 88,351.80/x
  3. Step 3: Cross multiply
    159,973.32x = 220,758.96 × 88,351.80
  4. Step 4: Simplify right side
    159,973.32x = 19,504,451,482.13
  5. Step 5: Solve for x
    x = 19,504,451,482.13/159,973.32
  6. Step 6: Final answer
    x = 121,923.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.