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Finding the Fourth Proportional to 373,438.52, 560,091.36 and 148,780.16

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Solution

The fourth proportional to 373,438.52, 560,091.36 and 148,780.16 is: 223,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438.52 : 560,091.36 = 148,780.16 : x
  2. Step 2: Convert to fraction form
    373,438.52/560,091.36 = 148,780.16/x
  3. Step 3: Cross multiply
    373,438.52x = 560,091.36 × 148,780.16
  4. Step 4: Simplify right side
    373,438.52x = 83,330,482,155.42
  5. Step 5: Solve for x
    x = 83,330,482,155.42/373,438.52
  6. Step 6: Final answer
    x = 223,143.78

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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.