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Finding the Fourth Proportional to 88,998, 122,817.24 and 49,254

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Solution

The fourth proportional to 88,998, 122,817.24 and 49,254 is: 67,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,998 : 122,817.24 = 49,254 : x
  2. Step 2: Convert to fraction form
    88,998/122,817.24 = 49,254/x
  3. Step 3: Cross multiply
    88,998x = 122,817.24 × 49,254
  4. Step 4: Simplify right side
    88,998x = 6,049,240,338.96
  5. Step 5: Solve for x
    x = 6,049,240,338.96/88,998
  6. Step 6: Final answer
    x = 67,970.52

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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.