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Finding the Fourth Proportional to 302,562.78, 453,893.42 and 89,352.25

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Solution

The fourth proportional to 302,562.78, 453,893.42 and 89,352.25 is: 134,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,562.78 : 453,893.42 = 89,352.25 : x
  2. Step 2: Convert to fraction form
    302,562.78/453,893.42 = 89,352.25/x
  3. Step 3: Cross multiply
    302,562.78x = 453,893.42 × 89,352.25
  4. Step 4: Simplify right side
    302,562.78x = 40,556,398,337.20
  5. Step 5: Solve for x
    x = 40,556,398,337.20/302,562.78
  6. Step 6: Final answer
    x = 134,042.92

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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.