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Finding the Fourth Proportional to 223,387.60, 335,081.40 and 134,814.10

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Solution

The fourth proportional to 223,387.60, 335,081.40 and 134,814.10 is: 202,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,387.60 : 335,081.40 = 134,814.10 : x
  2. Step 2: Convert to fraction form
    223,387.60/335,081.40 = 134,814.10/x
  3. Step 3: Cross multiply
    223,387.60x = 335,081.40 × 134,814.10
  4. Step 4: Simplify right side
    223,387.60x = 45,173,697,367.74
  5. Step 5: Solve for x
    x = 45,173,697,367.74/223,387.60
  6. Step 6: Final answer
    x = 202,221.15

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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.