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Finding the Fourth Proportional to 292,376.91, 403,480.02 and 158,240.91

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Solution

The fourth proportional to 292,376.91, 403,480.02 and 158,240.91 is: 218,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,376.91 : 403,480.02 = 158,240.91 : x
  2. Step 2: Convert to fraction form
    292,376.91/403,480.02 = 158,240.91/x
  3. Step 3: Cross multiply
    292,376.91x = 403,480.02 × 158,240.91
  4. Step 4: Simplify right side
    292,376.91x = 63,847,045,531.62
  5. Step 5: Solve for x
    x = 63,847,045,531.62/292,376.91
  6. Step 6: Final answer
    x = 218,372.39

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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.