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Finding the Fourth Proportional to 295,451.04, 443,176.56 and 137,789.76

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Solution

The fourth proportional to 295,451.04, 443,176.56 and 137,789.76 is: 206,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,451.04 : 443,176.56 = 137,789.76 : x
  2. Step 2: Convert to fraction form
    295,451.04/443,176.56 = 137,789.76/x
  3. Step 3: Cross multiply
    295,451.04x = 443,176.56 × 137,789.76
  4. Step 4: Simplify right side
    295,451.04x = 61,065,191,840.03
  5. Step 5: Solve for x
    x = 61,065,191,840.03/295,451.04
  6. Step 6: Final answer
    x = 206,684.64

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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.