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Finding the Fourth Proportional to 160,603.36, 221,634.40 and 88,984.50

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Solution

The fourth proportional to 160,603.36, 221,634.40 and 88,984.50 is: 122,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,603.36 : 221,634.40 = 88,984.50 : x
  2. Step 2: Convert to fraction form
    160,603.36/221,634.40 = 88,984.50/x
  3. Step 3: Cross multiply
    160,603.36x = 221,634.40 × 88,984.50
  4. Step 4: Simplify right side
    160,603.36x = 19,722,026,266.80
  5. Step 5: Solve for x
    x = 19,722,026,266.80/160,603.36
  6. Step 6: Final answer
    x = 122,799.59

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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.