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Finding the Fourth Proportional to 172,593.91, 238,296.63 and 108,089.02

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Solution

The fourth proportional to 172,593.91, 238,296.63 and 108,089.02 is: 149,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,593.91 : 238,296.63 = 108,089.02 : x
  2. Step 2: Convert to fraction form
    172,593.91/238,296.63 = 108,089.02/x
  3. Step 3: Cross multiply
    172,593.91x = 238,296.63 × 108,089.02
  4. Step 4: Simplify right side
    172,593.91x = 25,757,249,206.00
  5. Step 5: Solve for x
    x = 25,757,249,206.00/172,593.91
  6. Step 6: Final answer
    x = 149,236.14

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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.