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Finding the Fourth Proportional to 103,671.56, 155,530.02 and 33,549.86

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Solution

The fourth proportional to 103,671.56, 155,530.02 and 33,549.86 is: 50,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.56 : 155,530.02 = 33,549.86 : x
  2. Step 2: Convert to fraction form
    103,671.56/155,530.02 = 33,549.86/x
  3. Step 3: Cross multiply
    103,671.56x = 155,530.02 × 33,549.86
  4. Step 4: Simplify right side
    103,671.56x = 5,218,010,396.80
  5. Step 5: Solve for x
    x = 5,218,010,396.80/103,671.56
  6. Step 6: Final answer
    x = 50,332.13

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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.