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Finding the Fourth Proportional to 71,220.06, 106,829.28 and 29,667.06

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Solution

The fourth proportional to 71,220.06, 106,829.28 and 29,667.06 is: 44,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220.06 : 106,829.28 = 29,667.06 : x
  2. Step 2: Convert to fraction form
    71,220.06/106,829.28 = 29,667.06/x
  3. Step 3: Cross multiply
    71,220.06x = 106,829.28 × 29,667.06
  4. Step 4: Simplify right side
    71,220.06x = 3,169,310,659.52
  5. Step 5: Solve for x
    x = 3,169,310,659.52/71,220.06
  6. Step 6: Final answer
    x = 44,500.25

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1.5x scale

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.