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Finding the Fourth Proportional to 292,062.69, 403,046.51 and 157,926.69

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Solution

The fourth proportional to 292,062.69, 403,046.51 and 157,926.69 is: 217,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,062.69 : 403,046.51 = 157,926.69 : x
  2. Step 2: Convert to fraction form
    292,062.69/403,046.51 = 157,926.69/x
  3. Step 3: Cross multiply
    292,062.69x = 403,046.51 × 157,926.69
  4. Step 4: Simplify right side
    292,062.69x = 63,651,801,240.35
  5. Step 5: Solve for x
    x = 63,651,801,240.35/292,062.69
  6. Step 6: Final answer
    x = 217,938.83

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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.