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Finding the Fourth Proportional to 68,897.66, 103,365.92 and 27,373.82

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Solution

The fourth proportional to 68,897.66, 103,365.92 and 27,373.82 is: 41,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,897.66 : 103,365.92 = 27,373.82 : x
  2. Step 2: Convert to fraction form
    68,897.66/103,365.92 = 27,373.82/x
  3. Step 3: Cross multiply
    68,897.66x = 103,365.92 × 27,373.82
  4. Step 4: Simplify right side
    68,897.66x = 2,829,519,639.82
  5. Step 5: Solve for x
    x = 2,829,519,639.82/68,897.66
  6. Step 6: Final answer
    x = 41,068.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.