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Finding the Fourth Proportional to 292,682.35, 438,930.10 and 92,956.02

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Solution

The fourth proportional to 292,682.35, 438,930.10 and 92,956.02 is: 139,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,682.35 : 438,930.10 = 92,956.02 : x
  2. Step 2: Convert to fraction form
    292,682.35/438,930.10 = 92,956.02/x
  3. Step 3: Cross multiply
    292,682.35x = 438,930.10 × 92,956.02
  4. Step 4: Simplify right side
    292,682.35x = 40,801,195,154.20
  5. Step 5: Solve for x
    x = 40,801,195,154.20/292,682.35
  6. Step 6: Final answer
    x = 139,404.36

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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.