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Finding the Fourth Proportional to 295,652.52, 443,425.14 and 103,555.20

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Solution

The fourth proportional to 295,652.52, 443,425.14 and 103,555.20 is: 155,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,652.52 : 443,425.14 = 103,555.20 : x
  2. Step 2: Convert to fraction form
    295,652.52/443,425.14 = 103,555.20/x
  3. Step 3: Cross multiply
    295,652.52x = 443,425.14 × 103,555.20
  4. Step 4: Simplify right side
    295,652.52x = 45,918,979,057.73
  5. Step 5: Solve for x
    x = 45,918,979,057.73/295,652.52
  6. Step 6: Final answer
    x = 155,314.01

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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.