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Finding the Fourth Proportional to 163,057.20, 244,585.80 and 147,310.80

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Solution

The fourth proportional to 163,057.20, 244,585.80 and 147,310.80 is: 220,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,057.20 : 244,585.80 = 147,310.80 : x
  2. Step 2: Convert to fraction form
    163,057.20/244,585.80 = 147,310.80/x
  3. Step 3: Cross multiply
    163,057.20x = 244,585.80 × 147,310.80
  4. Step 4: Simplify right side
    163,057.20x = 36,030,129,866.64
  5. Step 5: Solve for x
    x = 36,030,129,866.64/163,057.20
  6. Step 6: Final answer
    x = 220,966.20

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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.