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Finding the Fourth Proportional to 73,884.80, 110,827.20 and 44,287.40

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Solution

The fourth proportional to 73,884.80, 110,827.20 and 44,287.40 is: 66,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,884.80 : 110,827.20 = 44,287.40 : x
  2. Step 2: Convert to fraction form
    73,884.80/110,827.20 = 44,287.40/x
  3. Step 3: Cross multiply
    73,884.80x = 110,827.20 × 44,287.40
  4. Step 4: Simplify right side
    73,884.80x = 4,908,248,537.28
  5. Step 5: Solve for x
    x = 4,908,248,537.28/73,884.80
  6. Step 6: Final answer
    x = 66,431.10

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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.