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Finding the Fourth Proportional to 63,902.98, 88,184.92 and 34,831.60

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Solution

The fourth proportional to 63,902.98, 88,184.92 and 34,831.60 is: 48,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,902.98 : 88,184.92 = 34,831.60 : x
  2. Step 2: Convert to fraction form
    63,902.98/88,184.92 = 34,831.60/x
  3. Step 3: Cross multiply
    63,902.98x = 88,184.92 × 34,831.60
  4. Step 4: Simplify right side
    63,902.98x = 3,071,621,859.47
  5. Step 5: Solve for x
    x = 3,071,621,859.47/63,902.98
  6. Step 6: Final answer
    x = 48,066.96

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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.