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Finding the Fourth Proportional to 88,265.50, 121,809.09 and 50,024.10

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Solution

The fourth proportional to 88,265.50, 121,809.09 and 50,024.10 is: 69,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,265.50 : 121,809.09 = 50,024.10 : x
  2. Step 2: Convert to fraction form
    88,265.50/121,809.09 = 50,024.10/x
  3. Step 3: Cross multiply
    88,265.50x = 121,809.09 × 50,024.10
  4. Step 4: Simplify right side
    88,265.50x = 6,093,390,099.07
  5. Step 5: Solve for x
    x = 6,093,390,099.07/88,265.50
  6. Step 6: Final answer
    x = 69,034.79

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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.