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Finding the Fourth Proportional to 104,230.59, 143,826.70 and 58,908.55

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Solution

The fourth proportional to 104,230.59, 143,826.70 and 58,908.55 is: 81,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,230.59 : 143,826.70 = 58,908.55 : x
  2. Step 2: Convert to fraction form
    104,230.59/143,826.70 = 58,908.55/x
  3. Step 3: Cross multiply
    104,230.59x = 143,826.70 × 58,908.55
  4. Step 4: Simplify right side
    104,230.59x = 8,472,622,348.29
  5. Step 5: Solve for x
    x = 8,472,622,348.29/104,230.59
  6. Step 6: Final answer
    x = 81,287.29

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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.