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Finding the Fourth Proportional to 108,052.03, 148,933.34 and 72,228.97

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Solution

The fourth proportional to 108,052.03, 148,933.34 and 72,228.97 is: 99,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,052.03 : 148,933.34 = 72,228.97 : x
  2. Step 2: Convert to fraction form
    108,052.03/148,933.34 = 72,228.97/x
  3. Step 3: Cross multiply
    108,052.03x = 148,933.34 × 72,228.97
  4. Step 4: Simplify right side
    108,052.03x = 10,757,301,013.38
  5. Step 5: Solve for x
    x = 10,757,301,013.38/108,052.03
  6. Step 6: Final answer
    x = 99,556.68

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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.