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Finding the Fourth Proportional to 160,264.74, 221,145.93 and 88,635

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Solution

The fourth proportional to 160,264.74, 221,145.93 and 88,635 is: 122,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,264.74 : 221,145.93 = 88,635 : x
  2. Step 2: Convert to fraction form
    160,264.74/221,145.93 = 88,635/x
  3. Step 3: Cross multiply
    160,264.74x = 221,145.93 × 88,635
  4. Step 4: Simplify right side
    160,264.74x = 19,601,269,505.55
  5. Step 5: Solve for x
    x = 19,601,269,505.55/160,264.74
  6. Step 6: Final answer
    x = 122,305.56

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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.