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Finding the Fourth Proportional to 107,013.68, 160,531.13 and 39,563.37

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Solution

The fourth proportional to 107,013.68, 160,531.13 and 39,563.37 is: 59,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,013.68 : 160,531.13 = 39,563.37 : x
  2. Step 2: Convert to fraction form
    107,013.68/160,531.13 = 39,563.37/x
  3. Step 3: Cross multiply
    107,013.68x = 160,531.13 × 39,563.37
  4. Step 4: Simplify right side
    107,013.68x = 6,351,152,294.89
  5. Step 5: Solve for x
    x = 6,351,152,294.89/107,013.68
  6. Step 6: Final answer
    x = 59,348.98

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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.