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Finding the Fourth Proportional to 169,387.32, 233,752.91 and 92,904.86

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Solution

The fourth proportional to 169,387.32, 233,752.91 and 92,904.86 is: 128,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,387.32 : 233,752.91 = 92,904.86 : x
  2. Step 2: Convert to fraction form
    169,387.32/233,752.91 = 92,904.86/x
  3. Step 3: Cross multiply
    169,387.32x = 233,752.91 × 92,904.86
  4. Step 4: Simplify right side
    169,387.32x = 21,716,781,378.14
  5. Step 5: Solve for x
    x = 21,716,781,378.14/169,387.32
  6. Step 6: Final answer
    x = 128,207.83

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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.