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Finding the Fourth Proportional to 103,488.14, 155,248.32 and 33,374.54

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Solution

The fourth proportional to 103,488.14, 155,248.32 and 33,374.54 is: 50,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,488.14 : 155,248.32 = 33,374.54 : x
  2. Step 2: Convert to fraction form
    103,488.14/155,248.32 = 33,374.54/x
  3. Step 3: Cross multiply
    103,488.14x = 155,248.32 × 33,374.54
  4. Step 4: Simplify right side
    103,488.14x = 5,181,341,265.77
  5. Step 5: Solve for x
    x = 5,181,341,265.77/103,488.14
  6. Step 6: Final answer
    x = 50,067.01

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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.