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Finding the Fourth Proportional to 107,716.74, 148,324.47 and 101,404.41

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Solution

The fourth proportional to 107,716.74, 148,324.47 and 101,404.41 is: 139,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.74 : 148,324.47 = 101,404.41 : x
  2. Step 2: Convert to fraction form
    107,716.74/148,324.47 = 101,404.41/x
  3. Step 3: Cross multiply
    107,716.74x = 148,324.47 × 101,404.41
  4. Step 4: Simplify right side
    107,716.74x = 15,040,755,368.91
  5. Step 5: Solve for x
    x = 15,040,755,368.91/107,716.74
  6. Step 6: Final answer
    x = 139,632.48

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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.