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Finding the Fourth Proportional to 160,940.88, 241,330.32 and 55,731.60

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Solution

The fourth proportional to 160,940.88, 241,330.32 and 55,731.60 is: 83,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,940.88 : 241,330.32 = 55,731.60 : x
  2. Step 2: Convert to fraction form
    160,940.88/241,330.32 = 55,731.60/x
  3. Step 3: Cross multiply
    160,940.88x = 241,330.32 × 55,731.60
  4. Step 4: Simplify right side
    160,940.88x = 13,449,724,862.11
  5. Step 5: Solve for x
    x = 13,449,724,862.11/160,940.88
  6. Step 6: Final answer
    x = 83,569.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.