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Finding the Fourth Proportional to 88,304.00, 121,904.67 and 68,115.56

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Solution

The fourth proportional to 88,304.00, 121,904.67 and 68,115.56 is: 94,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,304.00 : 121,904.67 = 68,115.56 : x
  2. Step 2: Convert to fraction form
    88,304.00/121,904.67 = 68,115.56/x
  3. Step 3: Cross multiply
    88,304.00x = 121,904.67 × 68,115.56
  4. Step 4: Simplify right side
    88,304.00x = 8,303,604,254.14
  5. Step 5: Solve for x
    x = 8,303,604,254.14/88,304.00
  6. Step 6: Final answer
    x = 94,034.30

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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.