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Finding the Fourth Proportional to 575,163.20, 862,744.80 and 148,698.20

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Solution

The fourth proportional to 575,163.20, 862,744.80 and 148,698.20 is: 223,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,163.20 : 862,744.80 = 148,698.20 : x
  2. Step 2: Convert to fraction form
    575,163.20/862,744.80 = 148,698.20/x
  3. Step 3: Cross multiply
    575,163.20x = 862,744.80 × 148,698.20
  4. Step 4: Simplify right side
    575,163.20x = 128,288,598,819.36
  5. Step 5: Solve for x
    x = 128,288,598,819.36/575,163.20
  6. Step 6: Final answer
    x = 223,047.30

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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.