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Finding the Fourth Proportional to 101,706.57, 152,559.86 and 39,377.07

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Solution

The fourth proportional to 101,706.57, 152,559.86 and 39,377.07 is: 59,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,706.57 : 152,559.86 = 39,377.07 : x
  2. Step 2: Convert to fraction form
    101,706.57/152,559.86 = 39,377.07/x
  3. Step 3: Cross multiply
    101,706.57x = 152,559.86 × 39,377.07
  4. Step 4: Simplify right side
    101,706.57x = 6,007,359,326.73
  5. Step 5: Solve for x
    x = 6,007,359,326.73/101,706.57
  6. Step 6: Final answer
    x = 59,065.60

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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.