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Finding the Fourth Proportional to 103,352.59, 142,628.07 and 58,040.38

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Solution

The fourth proportional to 103,352.59, 142,628.07 and 58,040.38 is: 80,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352.59 : 142,628.07 = 58,040.38 : x
  2. Step 2: Convert to fraction form
    103,352.59/142,628.07 = 58,040.38/x
  3. Step 3: Cross multiply
    103,352.59x = 142,628.07 × 58,040.38
  4. Step 4: Simplify right side
    103,352.59x = 8,278,187,381.47
  5. Step 5: Solve for x
    x = 8,278,187,381.47/103,352.59
  6. Step 6: Final answer
    x = 80,096.56

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1.5x scale

Why These Related Problems?

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