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Finding the Fourth Proportional to 103,624.64, 155,436.96 and 41,295.68

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Solution

The fourth proportional to 103,624.64, 155,436.96 and 41,295.68 is: 61,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.64 : 155,436.96 = 41,295.68 : x
  2. Step 2: Convert to fraction form
    103,624.64/155,436.96 = 41,295.68/x
  3. Step 3: Cross multiply
    103,624.64x = 155,436.96 × 41,295.68
  4. Step 4: Simplify right side
    103,624.64x = 6,418,874,960.33
  5. Step 5: Solve for x
    x = 6,418,874,960.33/103,624.64
  6. Step 6: Final answer
    x = 61,943.52

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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.