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Finding the Fourth Proportional to 223,763.32, 335,592.78 and 143,558.92

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Solution

The fourth proportional to 223,763.32, 335,592.78 and 143,558.92 is: 215,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,763.32 : 335,592.78 = 143,558.92 : x
  2. Step 2: Convert to fraction form
    223,763.32/335,592.78 = 143,558.92/x
  3. Step 3: Cross multiply
    223,763.32x = 335,592.78 × 143,558.92
  4. Step 4: Simplify right side
    223,763.32x = 48,177,337,056.60
  5. Step 5: Solve for x
    x = 48,177,337,056.60/223,763.32
  6. Step 6: Final answer
    x = 215,304.89

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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.