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Finding the Fourth Proportional to 63,152.28, 87,147.90 and 34,857.90

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Solution

The fourth proportional to 63,152.28, 87,147.90 and 34,857.90 is: 48,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,152.28 : 87,147.90 = 34,857.90 : x
  2. Step 2: Convert to fraction form
    63,152.28/87,147.90 = 34,857.90/x
  3. Step 3: Cross multiply
    63,152.28x = 87,147.90 × 34,857.90
  4. Step 4: Simplify right side
    63,152.28x = 3,037,792,783.41
  5. Step 5: Solve for x
    x = 3,037,792,783.41/63,152.28
  6. Step 6: Final answer
    x = 48,102.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.