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Finding the Fourth Proportional to 79,461.68, 119,242.80 and 44,424.32

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Solution

The fourth proportional to 79,461.68, 119,242.80 and 44,424.32 is: 66,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.68 : 119,242.80 = 44,424.32 : x
  2. Step 2: Convert to fraction form
    79,461.68/119,242.80 = 44,424.32/x
  3. Step 3: Cross multiply
    79,461.68x = 119,242.80 × 44,424.32
  4. Step 4: Simplify right side
    79,461.68x = 5,297,280,304.90
  5. Step 5: Solve for x
    x = 5,297,280,304.90/79,461.68
  6. Step 6: Final answer
    x = 66,664.59

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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.