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Finding the Fourth Proportional to 107,398.49, 148,205.79 and 59,654.88

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Solution

The fourth proportional to 107,398.49, 148,205.79 and 59,654.88 is: 82,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,398.49 : 148,205.79 = 59,654.88 : x
  2. Step 2: Convert to fraction form
    107,398.49/148,205.79 = 59,654.88/x
  3. Step 3: Cross multiply
    107,398.49x = 148,205.79 × 59,654.88
  4. Step 4: Simplify right side
    107,398.49x = 8,841,198,617.76
  5. Step 5: Solve for x
    x = 8,841,198,617.76/107,398.49
  6. Step 6: Final answer
    x = 82,321.45

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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.