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Finding the Fourth Proportional to 75,950.29, 103,900.52 and 75,630.46

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Solution

The fourth proportional to 75,950.29, 103,900.52 and 75,630.46 is: 103,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,950.29 : 103,900.52 = 75,630.46 : x
  2. Step 2: Convert to fraction form
    75,950.29/103,900.52 = 75,630.46/x
  3. Step 3: Cross multiply
    75,950.29x = 103,900.52 × 75,630.46
  4. Step 4: Simplify right side
    75,950.29x = 7,858,044,121.84
  5. Step 5: Solve for x
    x = 7,858,044,121.84/75,950.29
  6. Step 6: Final answer
    x = 103,462.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.