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Finding the Fourth Proportional to 63,125.94, 87,113.61 and 34,831.65

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Solution

The fourth proportional to 63,125.94, 87,113.61 and 34,831.65 is: 48,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,125.94 : 87,113.61 = 34,831.65 : x
  2. Step 2: Convert to fraction form
    63,125.94/87,113.61 = 34,831.65/x
  3. Step 3: Cross multiply
    63,125.94x = 87,113.61 × 34,831.65
  4. Step 4: Simplify right side
    63,125.94x = 3,034,310,773.76
  5. Step 5: Solve for x
    x = 3,034,310,773.76/63,125.94
  6. Step 6: Final answer
    x = 48,067.57

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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.