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Finding the Fourth Proportional to 63,987.95, 95,907.21 and 48,142.11

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Solution

The fourth proportional to 63,987.95, 95,907.21 and 48,142.11 is: 72,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.95 : 95,907.21 = 48,142.11 : x
  2. Step 2: Convert to fraction form
    63,987.95/95,907.21 = 48,142.11/x
  3. Step 3: Cross multiply
    63,987.95x = 95,907.21 × 48,142.11
  4. Step 4: Simplify right side
    63,987.95x = 4,617,175,178.54
  5. Step 5: Solve for x
    x = 4,617,175,178.54/63,987.95
  6. Step 6: Final answer
    x = 72,156.95

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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.