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Finding the Fourth Proportional to 292,071.38, 403,058.52 and 157,935.38

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Solution

The fourth proportional to 292,071.38, 403,058.52 and 157,935.38 is: 217,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,071.38 : 403,058.52 = 157,935.38 : x
  2. Step 2: Convert to fraction form
    292,071.38/403,058.52 = 157,935.38/x
  3. Step 3: Cross multiply
    292,071.38x = 403,058.52 × 157,935.38
  4. Step 4: Simplify right side
    292,071.38x = 63,657,198,503.15
  5. Step 5: Solve for x
    x = 63,657,198,503.15/292,071.38
  6. Step 6: Final answer
    x = 217,950.83

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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.