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Finding the Fourth Proportional to 106,995.97, 147,654.40 and 59,249.31

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Solution

The fourth proportional to 106,995.97, 147,654.40 and 59,249.31 is: 81,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,995.97 : 147,654.40 = 59,249.31 : x
  2. Step 2: Convert to fraction form
    106,995.97/147,654.40 = 59,249.31/x
  3. Step 3: Cross multiply
    106,995.97x = 147,654.40 × 59,249.31
  4. Step 4: Simplify right side
    106,995.97x = 8,748,421,318.46
  5. Step 5: Solve for x
    x = 8,748,421,318.46/106,995.97
  6. Step 6: Final answer
    x = 81,764.03

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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.