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Finding the Fourth Proportional to 107,506.71, 148,367.30 and 59,771.79

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Solution

The fourth proportional to 107,506.71, 148,367.30 and 59,771.79 is: 82,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,506.71 : 148,367.30 = 59,771.79 : x
  2. Step 2: Convert to fraction form
    107,506.71/148,367.30 = 59,771.79/x
  3. Step 3: Cross multiply
    107,506.71x = 148,367.30 × 59,771.79
  4. Step 4: Simplify right side
    107,506.71x = 8,868,178,799.61
  5. Step 5: Solve for x
    x = 8,868,178,799.61/107,506.71
  6. Step 6: Final answer
    x = 82,489.54

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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.