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Finding the Fourth Proportional to 69,337.80, 104,009.58 and 57,732.84

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Solution

The fourth proportional to 69,337.80, 104,009.58 and 57,732.84 is: 86,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.80 : 104,009.58 = 57,732.84 : x
  2. Step 2: Convert to fraction form
    69,337.80/104,009.58 = 57,732.84/x
  3. Step 3: Cross multiply
    69,337.80x = 104,009.58 × 57,732.84
  4. Step 4: Simplify right side
    69,337.80x = 6,004,768,440.61
  5. Step 5: Solve for x
    x = 6,004,768,440.61/69,337.80
  6. Step 6: Final answer
    x = 86,601.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.