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Finding the Fourth Proportional to 95,964, 143,987.68 and 51,539.04

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Solution

The fourth proportional to 95,964, 143,987.68 and 51,539.04 is: 77,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,964 : 143,987.68 = 51,539.04 : x
  2. Step 2: Convert to fraction form
    95,964/143,987.68 = 51,539.04/x
  3. Step 3: Cross multiply
    95,964x = 143,987.68 × 51,539.04
  4. Step 4: Simplify right side
    95,964x = 7,420,986,799.03
  5. Step 5: Solve for x
    x = 7,420,986,799.03/95,964
  6. Step 6: Final answer
    x = 77,330.94

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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.