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Finding the Fourth Proportional to 113,800.91, 157,119.23 and 101,843.69

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Solution

The fourth proportional to 113,800.91, 157,119.23 and 101,843.69 is: 140,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.91 : 157,119.23 = 101,843.69 : x
  2. Step 2: Convert to fraction form
    113,800.91/157,119.23 = 101,843.69/x
  3. Step 3: Cross multiply
    113,800.91x = 157,119.23 × 101,843.69
  4. Step 4: Simplify right side
    113,800.91x = 16,001,601,643.94
  5. Step 5: Solve for x
    x = 16,001,601,643.94/113,800.91
  6. Step 6: Final answer
    x = 140,610.49

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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.