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Finding the Fourth Proportional to 107,950.30, 148,911.51 and 63,229.66

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Solution

The fourth proportional to 107,950.30, 148,911.51 and 63,229.66 is: 87,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,950.30 : 148,911.51 = 63,229.66 : x
  2. Step 2: Convert to fraction form
    107,950.30/148,911.51 = 63,229.66/x
  3. Step 3: Cross multiply
    107,950.30x = 148,911.51 × 63,229.66
  4. Step 4: Simplify right side
    107,950.30x = 9,415,624,147.39
  5. Step 5: Solve for x
    x = 9,415,624,147.39/107,950.30
  6. Step 6: Final answer
    x = 87,221.84

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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.