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Finding the Fourth Proportional to 70,336.80, 105,431.58 and 50,604.66

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Solution

The fourth proportional to 70,336.80, 105,431.58 and 50,604.66 is: 75,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.80 : 105,431.58 = 50,604.66 : x
  2. Step 2: Convert to fraction form
    70,336.80/105,431.58 = 50,604.66/x
  3. Step 3: Cross multiply
    70,336.80x = 105,431.58 × 50,604.66
  4. Step 4: Simplify right side
    70,336.80x = 5,335,329,259.16
  5. Step 5: Solve for x
    x = 5,335,329,259.16/70,336.80
  6. Step 6: Final answer
    x = 75,854.02

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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.