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Finding the Fourth Proportional to 216,880.74, 325,336.31 and 67,101.30

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Solution

The fourth proportional to 216,880.74, 325,336.31 and 67,101.30 is: 100,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,880.74 : 325,336.31 = 67,101.30 : x
  2. Step 2: Convert to fraction form
    216,880.74/325,336.31 = 67,101.30/x
  3. Step 3: Cross multiply
    216,880.74x = 325,336.31 × 67,101.30
  4. Step 4: Simplify right side
    216,880.74x = 21,830,489,338.20
  5. Step 5: Solve for x
    x = 21,830,489,338.20/216,880.74
  6. Step 6: Final answer
    x = 100,656.65

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1.5x scale

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.