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Finding the Fourth Proportional to 71,600.45, 107,312.45 and 29,454.22

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Solution

The fourth proportional to 71,600.45, 107,312.45 and 29,454.22 is: 44,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.45 : 107,312.45 = 29,454.22 : x
  2. Step 2: Convert to fraction form
    71,600.45/107,312.45 = 29,454.22/x
  3. Step 3: Cross multiply
    71,600.45x = 107,312.45 × 29,454.22
  4. Step 4: Simplify right side
    71,600.45x = 3,160,804,316.39
  5. Step 5: Solve for x
    x = 3,160,804,316.39/71,600.45
  6. Step 6: Final answer
    x = 44,145.04

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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.