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Finding the Fourth Proportional to 160,290.90, 221,197.43 and 92,306.39

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Solution

The fourth proportional to 160,290.90, 221,197.43 and 92,306.39 is: 127,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,290.90 : 221,197.43 = 92,306.39 : x
  2. Step 2: Convert to fraction form
    160,290.90/221,197.43 = 92,306.39/x
  3. Step 3: Cross multiply
    160,290.90x = 221,197.43 × 92,306.39
  4. Step 4: Simplify right side
    160,290.90x = 20,417,935,365.36
  5. Step 5: Solve for x
    x = 20,417,935,365.36/160,290.90
  6. Step 6: Final answer
    x = 127,380.50

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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.