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Finding the Fourth Proportional to 88,898.31, 122,677.81 and 48,611.61

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Solution

The fourth proportional to 88,898.31, 122,677.81 and 48,611.61 is: 67,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.31 : 122,677.81 = 48,611.61 : x
  2. Step 2: Convert to fraction form
    88,898.31/122,677.81 = 48,611.61/x
  3. Step 3: Cross multiply
    88,898.31x = 122,677.81 × 48,611.61
  4. Step 4: Simplify right side
    88,898.31x = 5,963,565,733.85
  5. Step 5: Solve for x
    x = 5,963,565,733.85/88,898.31
  6. Step 6: Final answer
    x = 67,083.00

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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.