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Finding the Fourth Proportional to 292,149.52, 403,166.34 and 158,013.52

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Solution

The fourth proportional to 292,149.52, 403,166.34 and 158,013.52 is: 218,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,149.52 : 403,166.34 = 158,013.52 : x
  2. Step 2: Convert to fraction form
    292,149.52/403,166.34 = 158,013.52/x
  3. Step 3: Cross multiply
    292,149.52x = 403,166.34 × 158,013.52
  4. Step 4: Simplify right side
    292,149.52x = 63,705,732,528.92
  5. Step 5: Solve for x
    x = 63,705,732,528.92/292,149.52
  6. Step 6: Final answer
    x = 218,058.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.