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Finding the Fourth Proportional to 116,542.52, 160,827.06 and 65,551.40

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Solution

The fourth proportional to 116,542.52, 160,827.06 and 65,551.40 is: 90,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,542.52 : 160,827.06 = 65,551.40 : x
  2. Step 2: Convert to fraction form
    116,542.52/160,827.06 = 65,551.40/x
  3. Step 3: Cross multiply
    116,542.52x = 160,827.06 × 65,551.40
  4. Step 4: Simplify right side
    116,542.52x = 10,542,438,940.88
  5. Step 5: Solve for x
    x = 10,542,438,940.88/116,542.52
  6. Step 6: Final answer
    x = 90,460.02

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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.