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Finding the Fourth Proportional to 160,324.52, 221,254.36 and 88,703.38

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Solution

The fourth proportional to 160,324.52, 221,254.36 and 88,703.38 is: 122,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,324.52 : 221,254.36 = 88,703.38 : x
  2. Step 2: Convert to fraction form
    160,324.52/221,254.36 = 88,703.38/x
  3. Step 3: Cross multiply
    160,324.52x = 221,254.36 × 88,703.38
  4. Step 4: Simplify right side
    160,324.52x = 19,626,009,571.74
  5. Step 5: Solve for x
    x = 19,626,009,571.74/160,324.52
  6. Step 6: Final answer
    x = 122,414.27

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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.