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Finding the Fourth Proportional to 115,830.60, 173,616.30 and 65,934.60

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Solution

The fourth proportional to 115,830.60, 173,616.30 and 65,934.60 is: 98,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,830.60 : 173,616.30 = 65,934.60 : x
  2. Step 2: Convert to fraction form
    115,830.60/173,616.30 = 65,934.60/x
  3. Step 3: Cross multiply
    115,830.60x = 173,616.30 × 65,934.60
  4. Step 4: Simplify right side
    115,830.60x = 11,447,321,293.98
  5. Step 5: Solve for x
    x = 11,447,321,293.98/115,830.60
  6. Step 6: Final answer
    x = 98,828.13

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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.