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Finding the Fourth Proportional to 116,349.77, 160,545.20 and 65,352.74

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Solution

The fourth proportional to 116,349.77, 160,545.20 and 65,352.74 is: 90,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,349.77 : 160,545.20 = 65,352.74 : x
  2. Step 2: Convert to fraction form
    116,349.77/160,545.20 = 65,352.74/x
  3. Step 3: Cross multiply
    116,349.77x = 160,545.20 × 65,352.74
  4. Step 4: Simplify right side
    116,349.77x = 10,492,067,584.36
  5. Step 5: Solve for x
    x = 10,492,067,584.36/116,349.77
  6. Step 6: Final answer
    x = 90,176.95

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1.5x scale

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.