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Finding the Fourth Proportional to 113,597.96, 170,472.78 and 39,725.96

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Solution

The fourth proportional to 113,597.96, 170,472.78 and 39,725.96 is: 59,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,597.96 : 170,472.78 = 39,725.96 : x
  2. Step 2: Convert to fraction form
    113,597.96/170,472.78 = 39,725.96/x
  3. Step 3: Cross multiply
    113,597.96x = 170,472.78 × 39,725.96
  4. Step 4: Simplify right side
    113,597.96x = 6,772,194,839.37
  5. Step 5: Solve for x
    x = 6,772,194,839.37/113,597.96
  6. Step 6: Final answer
    x = 59,615.46

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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.