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Finding the Fourth Proportional to 169,392.32, 233,759.80 and 92,909.86

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Solution

The fourth proportional to 169,392.32, 233,759.80 and 92,909.86 is: 128,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,392.32 : 233,759.80 = 92,909.86 : x
  2. Step 2: Convert to fraction form
    169,392.32/233,759.80 = 92,909.86/x
  3. Step 3: Cross multiply
    169,392.32x = 233,759.80 × 92,909.86
  4. Step 4: Simplify right side
    169,392.32x = 21,718,590,291.63
  5. Step 5: Solve for x
    x = 21,718,590,291.63/169,392.32
  6. Step 6: Final answer
    x = 128,214.73

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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.