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Finding the Fourth Proportional to 169,322.70, 233,668.04 and 92,848.78

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Solution

The fourth proportional to 169,322.70, 233,668.04 and 92,848.78 is: 128,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,322.70 : 233,668.04 = 92,848.78 : x
  2. Step 2: Convert to fraction form
    169,322.70/233,668.04 = 92,848.78/x
  3. Step 3: Cross multiply
    169,322.70x = 233,668.04 × 92,848.78
  4. Step 4: Simplify right side
    169,322.70x = 21,695,792,789.11
  5. Step 5: Solve for x
    x = 21,695,792,789.11/169,322.70
  6. Step 6: Final answer
    x = 128,132.80

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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.