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Finding the Fourth Proportional to 73,368.90, 101,248.80 and 41,540.76

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Solution

The fourth proportional to 73,368.90, 101,248.80 and 41,540.76 is: 57,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,368.90 : 101,248.80 = 41,540.76 : x
  2. Step 2: Convert to fraction form
    73,368.90/101,248.80 = 41,540.76/x
  3. Step 3: Cross multiply
    73,368.90x = 101,248.80 × 41,540.76
  4. Step 4: Simplify right side
    73,368.90x = 4,205,952,101.09
  5. Step 5: Solve for x
    x = 4,205,952,101.09/73,368.90
  6. Step 6: Final answer
    x = 57,326.09

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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.