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Finding the Fourth Proportional to 170,202, 255,419.64 and 59,394

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Solution

The fourth proportional to 170,202, 255,419.64 and 59,394 is: 89,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202 : 255,419.64 = 59,394 : x
  2. Step 2: Convert to fraction form
    170,202/255,419.64 = 59,394/x
  3. Step 3: Cross multiply
    170,202x = 255,419.64 × 59,394
  4. Step 4: Simplify right side
    170,202x = 15,170,394,098.16
  5. Step 5: Solve for x
    x = 15,170,394,098.16/170,202
  6. Step 6: Final answer
    x = 89,131.70

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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.