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Finding the Fourth Proportional to 67,305.60, 100,928.88 and 22,920.12

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Solution

The fourth proportional to 67,305.60, 100,928.88 and 22,920.12 is: 34,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.60 : 100,928.88 = 22,920.12 : x
  2. Step 2: Convert to fraction form
    67,305.60/100,928.88 = 22,920.12/x
  3. Step 3: Cross multiply
    67,305.60x = 100,928.88 × 22,920.12
  4. Step 4: Simplify right side
    67,305.60x = 2,313,302,041.07
  5. Step 5: Solve for x
    x = 2,313,302,041.07/67,305.60
  6. Step 6: Final answer
    x = 34,370.13

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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.