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Finding the Fourth Proportional to 63,125.84, 87,109.98 and 34,831.46

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Solution

The fourth proportional to 63,125.84, 87,109.98 and 34,831.46 is: 48,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,125.84 : 87,109.98 = 34,831.46 : x
  2. Step 2: Convert to fraction form
    63,125.84/87,109.98 = 34,831.46/x
  3. Step 3: Cross multiply
    63,125.84x = 87,109.98 × 34,831.46
  4. Step 4: Simplify right side
    63,125.84x = 3,034,167,783.97
  5. Step 5: Solve for x
    x = 3,034,167,783.97/63,125.84
  6. Step 6: Final answer
    x = 48,065.38

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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.