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Finding the Fourth Proportional to 117,624.77, 162,324.78 and 69,878.24

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Solution

The fourth proportional to 117,624.77, 162,324.78 and 69,878.24 is: 96,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,624.77 : 162,324.78 = 69,878.24 : x
  2. Step 2: Convert to fraction form
    117,624.77/162,324.78 = 69,878.24/x
  3. Step 3: Cross multiply
    117,624.77x = 162,324.78 × 69,878.24
  4. Step 4: Simplify right side
    117,624.77x = 11,342,969,934.79
  5. Step 5: Solve for x
    x = 11,342,969,934.79/117,624.77
  6. Step 6: Final answer
    x = 96,433.51

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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.