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Finding the Fourth Proportional to 103,293, 142,544.34 and 58,581

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Solution

The fourth proportional to 103,293, 142,544.34 and 58,581 is: 80,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,293 : 142,544.34 = 58,581 : x
  2. Step 2: Convert to fraction form
    103,293/142,544.34 = 58,581/x
  3. Step 3: Cross multiply
    103,293x = 142,544.34 × 58,581
  4. Step 4: Simplify right side
    103,293x = 8,350,389,981.54
  5. Step 5: Solve for x
    x = 8,350,389,981.54/103,293
  6. Step 6: Final answer
    x = 80,841.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.