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Finding the Fourth Proportional to 174,327.84, 261,249.84 and 91,055.52

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Solution

The fourth proportional to 174,327.84, 261,249.84 and 91,055.52 is: 136,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,327.84 : 261,249.84 = 91,055.52 : x
  2. Step 2: Convert to fraction form
    174,327.84/261,249.84 = 91,055.52/x
  3. Step 3: Cross multiply
    174,327.84x = 261,249.84 × 91,055.52
  4. Step 4: Simplify right side
    174,327.84x = 23,788,240,031.12
  5. Step 5: Solve for x
    x = 23,788,240,031.12/174,327.84
  6. Step 6: Final answer
    x = 136,456.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.