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Finding the Fourth Proportional to 63,230.54, 94,871.31 and 28,146.20

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Solution

The fourth proportional to 63,230.54, 94,871.31 and 28,146.20 is: 42,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,230.54 : 94,871.31 = 28,146.20 : x
  2. Step 2: Convert to fraction form
    63,230.54/94,871.31 = 28,146.20/x
  3. Step 3: Cross multiply
    63,230.54x = 94,871.31 × 28,146.20
  4. Step 4: Simplify right side
    63,230.54x = 2,670,266,865.52
  5. Step 5: Solve for x
    x = 2,670,266,865.52/63,230.54
  6. Step 6: Final answer
    x = 42,230.65

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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.