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Finding the Fourth Proportional to 116,194.92, 160,339.62 and 65,898.60

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Solution

The fourth proportional to 116,194.92, 160,339.62 and 65,898.60 is: 90,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,194.92 : 160,339.62 = 65,898.60 : x
  2. Step 2: Convert to fraction form
    116,194.92/160,339.62 = 65,898.60/x
  3. Step 3: Cross multiply
    116,194.92x = 160,339.62 × 65,898.60
  4. Step 4: Simplify right side
    116,194.92x = 10,566,156,482.53
  5. Step 5: Solve for x
    x = 10,566,156,482.53/116,194.92
  6. Step 6: Final answer
    x = 90,934.75

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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.