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Finding the Fourth Proportional to 160,614.68, 221,642.28 and 92,634.50

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Solution

The fourth proportional to 160,614.68, 221,642.28 and 92,634.50 is: 127,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,614.68 : 221,642.28 = 92,634.50 : x
  2. Step 2: Convert to fraction form
    160,614.68/221,642.28 = 92,634.50/x
  3. Step 3: Cross multiply
    160,614.68x = 221,642.28 × 92,634.50
  4. Step 4: Simplify right side
    160,614.68x = 20,531,721,786.66
  5. Step 5: Solve for x
    x = 20,531,721,786.66/160,614.68
  6. Step 6: Final answer
    x = 127,832.16

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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.