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Finding the Fourth Proportional to 161,402.88, 241,799.04 and 91,332.48

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Solution

The fourth proportional to 161,402.88, 241,799.04 and 91,332.48 is: 136,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,402.88 : 241,799.04 = 91,332.48 : x
  2. Step 2: Convert to fraction form
    161,402.88/241,799.04 = 91,332.48/x
  3. Step 3: Cross multiply
    161,402.88x = 241,799.04 × 91,332.48
  4. Step 4: Simplify right side
    161,402.88x = 22,084,105,984.82
  5. Step 5: Solve for x
    x = 22,084,105,984.82/161,402.88
  6. Step 6: Final answer
    x = 136,825.97

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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.