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Finding the Fourth Proportional to 71,373.60, 107,060.40 and 44,740.80

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Solution

The fourth proportional to 71,373.60, 107,060.40 and 44,740.80 is: 67,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373.60 : 107,060.40 = 44,740.80 : x
  2. Step 2: Convert to fraction form
    71,373.60/107,060.40 = 44,740.80/x
  3. Step 3: Cross multiply
    71,373.60x = 107,060.40 × 44,740.80
  4. Step 4: Simplify right side
    71,373.60x = 4,789,967,944.32
  5. Step 5: Solve for x
    x = 4,789,967,944.32/71,373.60
  6. Step 6: Final answer
    x = 67,111.20

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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.