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Finding the Fourth Proportional to 157,237.20, 235,870.20 and 63,723.60

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Solution

The fourth proportional to 157,237.20, 235,870.20 and 63,723.60 is: 95,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,237.20 : 235,870.20 = 63,723.60 : x
  2. Step 2: Convert to fraction form
    157,237.20/235,870.20 = 63,723.60/x
  3. Step 3: Cross multiply
    157,237.20x = 235,870.20 × 63,723.60
  4. Step 4: Simplify right side
    157,237.20x = 15,030,498,276.72
  5. Step 5: Solve for x
    x = 15,030,498,276.72/157,237.20
  6. Step 6: Final answer
    x = 95,591.24

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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.