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Finding the Fourth Proportional to 101,108.91, 151,707.51 and 38,823.15

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Solution

The fourth proportional to 101,108.91, 151,707.51 and 38,823.15 is: 58,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,108.91 : 151,707.51 = 38,823.15 : x
  2. Step 2: Convert to fraction form
    101,108.91/151,707.51 = 38,823.15/x
  3. Step 3: Cross multiply
    101,108.91x = 151,707.51 × 38,823.15
  4. Step 4: Simplify right side
    101,108.91x = 5,889,763,416.86
  5. Step 5: Solve for x
    x = 5,889,763,416.86/101,108.91
  6. Step 6: Final answer
    x = 58,251.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.