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Finding the Fourth Proportional to 101,979.99, 140,233.28 and 88,527.74

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Solution

The fourth proportional to 101,979.99, 140,233.28 and 88,527.74 is: 121,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,979.99 : 140,233.28 = 88,527.74 : x
  2. Step 2: Convert to fraction form
    101,979.99/140,233.28 = 88,527.74/x
  3. Step 3: Cross multiply
    101,979.99x = 140,233.28 × 88,527.74
  4. Step 4: Simplify right side
    101,979.99x = 12,414,534,207.38
  5. Step 5: Solve for x
    x = 12,414,534,207.38/101,979.99
  6. Step 6: Final answer
    x = 121,735.00

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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.