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Finding the Fourth Proportional to 88,954, 122,760.36 and 49,210

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Solution

The fourth proportional to 88,954, 122,760.36 and 49,210 is: 67,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,954 : 122,760.36 = 49,210 : x
  2. Step 2: Convert to fraction form
    88,954/122,760.36 = 49,210/x
  3. Step 3: Cross multiply
    88,954x = 122,760.36 × 49,210
  4. Step 4: Simplify right side
    88,954x = 6,041,037,315.60
  5. Step 5: Solve for x
    x = 6,041,037,315.60/88,954
  6. Step 6: Final answer
    x = 67,911.92

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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.