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Finding the Fourth Proportional to 103,671.30, 155,468.07 and 44,476.50

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Solution

The fourth proportional to 103,671.30, 155,468.07 and 44,476.50 is: 66,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.30 : 155,468.07 = 44,476.50 : x
  2. Step 2: Convert to fraction form
    103,671.30/155,468.07 = 44,476.50/x
  3. Step 3: Cross multiply
    103,671.30x = 155,468.07 × 44,476.50
  4. Step 4: Simplify right side
    103,671.30x = 6,914,675,615.36
  5. Step 5: Solve for x
    x = 6,914,675,615.36/103,671.30
  6. Step 6: Final answer
    x = 66,698.07

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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.