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Finding the Fourth Proportional to 79,871.60, 110,222.56 and 44,065.55

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Solution

The fourth proportional to 79,871.60, 110,222.56 and 44,065.55 is: 60,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.60 : 110,222.56 = 44,065.55 : x
  2. Step 2: Convert to fraction form
    79,871.60/110,222.56 = 44,065.55/x
  3. Step 3: Cross multiply
    79,871.60x = 110,222.56 × 44,065.55
  4. Step 4: Simplify right side
    79,871.60x = 4,857,017,728.81
  5. Step 5: Solve for x
    x = 4,857,017,728.81/79,871.60
  6. Step 6: Final answer
    x = 60,810.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.