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Finding the Fourth Proportional to 356,788.52, 535,266.48 and 104,073.92

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Solution

The fourth proportional to 356,788.52, 535,266.48 and 104,073.92 is: 156,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,788.52 : 535,266.48 = 104,073.92 : x
  2. Step 2: Convert to fraction form
    356,788.52/535,266.48 = 104,073.92/x
  3. Step 3: Cross multiply
    356,788.52x = 535,266.48 × 104,073.92
  4. Step 4: Simplify right side
    356,788.52x = 55,707,280,818.20
  5. Step 5: Solve for x
    x = 55,707,280,818.20/356,788.52
  6. Step 6: Final answer
    x = 156,135.29

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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.