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Finding the Fourth Proportional to 235,498.39, 353,251.63 and 67,023.05

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Solution

The fourth proportional to 235,498.39, 353,251.63 and 67,023.05 is: 100,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,498.39 : 353,251.63 = 67,023.05 : x
  2. Step 2: Convert to fraction form
    235,498.39/353,251.63 = 67,023.05/x
  3. Step 3: Cross multiply
    235,498.39x = 353,251.63 × 67,023.05
  4. Step 4: Simplify right side
    235,498.39x = 23,675,999,977.59
  5. Step 5: Solve for x
    x = 23,675,999,977.59/235,498.39
  6. Step 6: Final answer
    x = 100,535.72

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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.