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Finding the Fourth Proportional to 189,240.27, 261,164.48 and 109,752.27

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Solution

The fourth proportional to 189,240.27, 261,164.48 and 109,752.27 is: 151,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,240.27 : 261,164.48 = 109,752.27 : x
  2. Step 2: Convert to fraction form
    189,240.27/261,164.48 = 109,752.27/x
  3. Step 3: Cross multiply
    189,240.27x = 261,164.48 × 109,752.27
  4. Step 4: Simplify right side
    189,240.27x = 28,663,393,974.61
  5. Step 5: Solve for x
    x = 28,663,393,974.61/189,240.27
  6. Step 6: Final answer
    x = 151,465.62

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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.