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Finding the Fourth Proportional to 116,262.92, 160,448.10 and 68,518.28

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Solution

The fourth proportional to 116,262.92, 160,448.10 and 68,518.28 is: 94,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,262.92 : 160,448.10 = 68,518.28 : x
  2. Step 2: Convert to fraction form
    116,262.92/160,448.10 = 68,518.28/x
  3. Step 3: Cross multiply
    116,262.92x = 160,448.10 × 68,518.28
  4. Step 4: Simplify right side
    116,262.92x = 10,993,627,841.27
  5. Step 5: Solve for x
    x = 10,993,627,841.27/116,262.92
  6. Step 6: Final answer
    x = 94,558.33

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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.