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Finding the Fourth Proportional to 63,154.25, 87,152.87 and 34,859.95

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Solution

The fourth proportional to 63,154.25, 87,152.87 and 34,859.95 is: 48,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.25 : 87,152.87 = 34,859.95 : x
  2. Step 2: Convert to fraction form
    63,154.25/87,152.87 = 34,859.95/x
  3. Step 3: Cross multiply
    63,154.25x = 87,152.87 × 34,859.95
  4. Step 4: Simplify right side
    63,154.25x = 3,038,144,690.56
  5. Step 5: Solve for x
    x = 3,038,144,690.56/63,154.25
  6. Step 6: Final answer
    x = 48,106.73

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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.