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Finding the Fourth Proportional to 103,392.62, 155,080.28 and 41,046.38

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Solution

The fourth proportional to 103,392.62, 155,080.28 and 41,046.38 is: 61,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,392.62 : 155,080.28 = 41,046.38 : x
  2. Step 2: Convert to fraction form
    103,392.62/155,080.28 = 41,046.38/x
  3. Step 3: Cross multiply
    103,392.62x = 155,080.28 × 41,046.38
  4. Step 4: Simplify right side
    103,392.62x = 6,365,484,103.39
  5. Step 5: Solve for x
    x = 6,365,484,103.39/103,392.62
  6. Step 6: Final answer
    x = 61,566.14

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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.