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Finding the Fourth Proportional to 292,561.85, 403,733.04 and 158,425.85

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Solution

The fourth proportional to 292,561.85, 403,733.04 and 158,425.85 is: 218,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,561.85 : 403,733.04 = 158,425.85 : x
  2. Step 2: Convert to fraction form
    292,561.85/403,733.04 = 158,425.85/x
  3. Step 3: Cross multiply
    292,561.85x = 403,733.04 × 158,425.85
  4. Step 4: Simplify right side
    292,561.85x = 63,961,750,035.08
  5. Step 5: Solve for x
    x = 63,961,750,035.08/292,561.85
  6. Step 6: Final answer
    x = 218,626.42

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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.