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Finding the Fourth Proportional to 74,000.80, 110,936.40 and 44,387.20

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Solution

The fourth proportional to 74,000.80, 110,936.40 and 44,387.20 is: 66,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.80 : 110,936.40 = 44,387.20 : x
  2. Step 2: Convert to fraction form
    74,000.80/110,936.40 = 44,387.20/x
  3. Step 3: Cross multiply
    74,000.80x = 110,936.40 × 44,387.20
  4. Step 4: Simplify right side
    74,000.80x = 4,924,156,174.08
  5. Step 5: Solve for x
    x = 4,924,156,174.08/74,000.80
  6. Step 6: Final answer
    x = 66,541.93

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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.