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Finding the Fourth Proportional to 216,935.84, 325,449.38 and 74,794.32

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Solution

The fourth proportional to 216,935.84, 325,449.38 and 74,794.32 is: 112,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,935.84 : 325,449.38 = 74,794.32 : x
  2. Step 2: Convert to fraction form
    216,935.84/325,449.38 = 74,794.32/x
  3. Step 3: Cross multiply
    216,935.84x = 325,449.38 × 74,794.32
  4. Step 4: Simplify right side
    216,935.84x = 24,341,765,071.52
  5. Step 5: Solve for x
    x = 24,341,765,071.52/216,935.84
  6. Step 6: Final answer
    x = 112,207.21

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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.