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Finding the Fourth Proportional to 83,885.38, 115,761.82 and 46,159.63

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Solution

The fourth proportional to 83,885.38, 115,761.82 and 46,159.63 is: 63,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,885.38 : 115,761.82 = 46,159.63 : x
  2. Step 2: Convert to fraction form
    83,885.38/115,761.82 = 46,159.63/x
  3. Step 3: Cross multiply
    83,885.38x = 115,761.82 × 46,159.63
  4. Step 4: Simplify right side
    83,885.38x = 5,343,522,779.33
  5. Step 5: Solve for x
    x = 5,343,522,779.33/83,885.38
  6. Step 6: Final answer
    x = 63,700.29

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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.