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Finding the Fourth Proportional to 292,408.88, 403,525.46 and 158,272.88

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Solution

The fourth proportional to 292,408.88, 403,525.46 and 158,272.88 is: 218,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,408.88 : 403,525.46 = 158,272.88 : x
  2. Step 2: Convert to fraction form
    292,408.88/403,525.46 = 158,272.88/x
  3. Step 3: Cross multiply
    292,408.88x = 403,525.46 × 158,272.88
  4. Step 4: Simplify right side
    292,408.88x = 63,867,135,085.58
  5. Step 5: Solve for x
    x = 63,867,135,085.58/292,408.88
  6. Step 6: Final answer
    x = 218,417.23

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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.