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Finding the Fourth Proportional to 292,404.29, 438,661.11 and 92,671.04

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Solution

The fourth proportional to 292,404.29, 438,661.11 and 92,671.04 is: 139,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,404.29 : 438,661.11 = 92,671.04 : x
  2. Step 2: Convert to fraction form
    292,404.29/438,661.11 = 92,671.04/x
  3. Step 3: Cross multiply
    292,404.29x = 438,661.11 × 92,671.04
  4. Step 4: Simplify right side
    292,404.29x = 40,651,179,077.95
  5. Step 5: Solve for x
    x = 40,651,179,077.95/292,404.29
  6. Step 6: Final answer
    x = 139,023.88

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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.