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Finding the Fourth Proportional to 107,600, 148,488 and 60,496

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Solution

The fourth proportional to 107,600, 148,488 and 60,496 is: 83,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,600 : 148,488 = 60,496 : x
  2. Step 2: Convert to fraction form
    107,600/148,488 = 60,496/x
  3. Step 3: Cross multiply
    107,600x = 148,488 × 60,496
  4. Step 4: Simplify right side
    107,600x = 8,982,930,048
  5. Step 5: Solve for x
    x = 8,982,930,048/107,600
  6. Step 6: Final answer
    x = 83,484.48

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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.