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Finding the Fourth Proportional to 74,800.68, 112,094.10 and 54,923.28

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Solution

The fourth proportional to 74,800.68, 112,094.10 and 54,923.28 is: 82,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.68 : 112,094.10 = 54,923.28 : x
  2. Step 2: Convert to fraction form
    74,800.68/112,094.10 = 54,923.28/x
  3. Step 3: Cross multiply
    74,800.68x = 112,094.10 × 54,923.28
  4. Step 4: Simplify right side
    74,800.68x = 6,156,575,640.65
  5. Step 5: Solve for x
    x = 6,156,575,640.65/74,800.68
  6. Step 6: Final answer
    x = 82,306.41

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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.