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Finding the Fourth Proportional to 295,595.84, 443,292.96 and 85,177.28

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Solution

The fourth proportional to 295,595.84, 443,292.96 and 85,177.28 is: 127,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,595.84 : 443,292.96 = 85,177.28 : x
  2. Step 2: Convert to fraction form
    295,595.84/443,292.96 = 85,177.28/x
  3. Step 3: Cross multiply
    295,595.84x = 443,292.96 × 85,177.28
  4. Step 4: Simplify right side
    295,595.84x = 37,758,488,575.95
  5. Step 5: Solve for x
    x = 37,758,488,575.95/295,595.84
  6. Step 6: Final answer
    x = 127,736.87

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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.