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Finding the Fourth Proportional to 147,359.54, 220,854.34 and 63,020.50

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Solution

The fourth proportional to 147,359.54, 220,854.34 and 63,020.50 is: 94,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,359.54 : 220,854.34 = 63,020.50 : x
  2. Step 2: Convert to fraction form
    147,359.54/220,854.34 = 63,020.50/x
  3. Step 3: Cross multiply
    147,359.54x = 220,854.34 × 63,020.50
  4. Step 4: Simplify right side
    147,359.54x = 13,918,350,933.97
  5. Step 5: Solve for x
    x = 13,918,350,933.97/147,359.54
  6. Step 6: Final answer
    x = 94,451.64

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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.