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Finding the Fourth Proportional to 292,168.29, 438,246.96 and 92,500.66

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Solution

The fourth proportional to 292,168.29, 438,246.96 and 92,500.66 is: 138,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,168.29 : 438,246.96 = 92,500.66 : x
  2. Step 2: Convert to fraction form
    292,168.29/438,246.96 = 92,500.66/x
  3. Step 3: Cross multiply
    292,168.29x = 438,246.96 × 92,500.66
  4. Step 4: Simplify right side
    292,168.29x = 40,538,133,042.99
  5. Step 5: Solve for x
    x = 40,538,133,042.99/292,168.29
  6. Step 6: Final answer
    x = 138,749.26

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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.