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Finding the Fourth Proportional to 169,808.83, 234,320.92 and 93,327.08

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Solution

The fourth proportional to 169,808.83, 234,320.92 and 93,327.08 is: 128,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,808.83 : 234,320.92 = 93,327.08 : x
  2. Step 2: Convert to fraction form
    169,808.83/234,320.92 = 93,327.08/x
  3. Step 3: Cross multiply
    169,808.83x = 234,320.92 × 93,327.08
  4. Step 4: Simplify right side
    169,808.83x = 21,868,485,841.59
  5. Step 5: Solve for x
    x = 21,868,485,841.59/169,808.83
  6. Step 6: Final answer
    x = 128,782.97

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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.