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Finding the Fourth Proportional to 104,061.80, 143,605.78 and 58,741.72

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Solution

The fourth proportional to 104,061.80, 143,605.78 and 58,741.72 is: 81,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,061.80 : 143,605.78 = 58,741.72 : x
  2. Step 2: Convert to fraction form
    104,061.80/143,605.78 = 58,741.72/x
  3. Step 3: Cross multiply
    104,061.80x = 143,605.78 × 58,741.72
  4. Step 4: Simplify right side
    104,061.80x = 8,435,650,519.14
  5. Step 5: Solve for x
    x = 8,435,650,519.14/104,061.80
  6. Step 6: Final answer
    x = 81,063.85

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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.