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Finding the Fourth Proportional to 95,964, 143,884.40 and 39,842.85

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Solution

The fourth proportional to 95,964, 143,884.40 and 39,842.85 is: 59,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,964 : 143,884.40 = 39,842.85 : x
  2. Step 2: Convert to fraction form
    95,964/143,884.40 = 39,842.85/x
  3. Step 3: Cross multiply
    95,964x = 143,884.40 × 39,842.85
  4. Step 4: Simplify right side
    95,964x = 5,732,764,566.54
  5. Step 5: Solve for x
    x = 5,732,764,566.54/95,964
  6. Step 6: Final answer
    x = 59,738.70

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1.5x scale

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.