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Finding the Fourth Proportional to 169,073.64, 233,319.93 and 91,548.90

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Solution

The fourth proportional to 169,073.64, 233,319.93 and 91,548.90 is: 126,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,073.64 : 233,319.93 = 91,548.90 : x
  2. Step 2: Convert to fraction form
    169,073.64/233,319.93 = 91,548.90/x
  3. Step 3: Cross multiply
    169,073.64x = 233,319.93 × 91,548.90
  4. Step 4: Simplify right side
    169,073.64x = 21,360,182,939.58
  5. Step 5: Solve for x
    x = 21,360,182,939.58/169,073.64
  6. Step 6: Final answer
    x = 126,336.57

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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.