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Finding the Fourth Proportional to 242,891.22, 335,249.98 and 165,494.88

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Solution

The fourth proportional to 242,891.22, 335,249.98 and 165,494.88 is: 228,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,891.22 : 335,249.98 = 165,494.88 : x
  2. Step 2: Convert to fraction form
    242,891.22/335,249.98 = 165,494.88/x
  3. Step 3: Cross multiply
    242,891.22x = 335,249.98 × 165,494.88
  4. Step 4: Simplify right side
    242,891.22x = 55,482,155,210.10
  5. Step 5: Solve for x
    x = 55,482,155,210.10/242,891.22
  6. Step 6: Final answer
    x = 228,423.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.