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Finding the Fourth Proportional to 103,671.01, 155,499.22 and 40,479.26

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Solution

The fourth proportional to 103,671.01, 155,499.22 and 40,479.26 is: 60,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.01 : 155,499.22 = 40,479.26 : x
  2. Step 2: Convert to fraction form
    103,671.01/155,499.22 = 40,479.26/x
  3. Step 3: Cross multiply
    103,671.01x = 155,499.22 × 40,479.26
  4. Step 4: Simplify right side
    103,671.01x = 6,294,493,356.18
  5. Step 5: Solve for x
    x = 6,294,493,356.18/103,671.01
  6. Step 6: Final answer
    x = 60,716.04

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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.