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Finding the Fourth Proportional to 223,514.66, 335,272.05 and 65,743.11

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Solution

The fourth proportional to 223,514.66, 335,272.05 and 65,743.11 is: 98,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,514.66 : 335,272.05 = 65,743.11 : x
  2. Step 2: Convert to fraction form
    223,514.66/335,272.05 = 65,743.11/x
  3. Step 3: Cross multiply
    223,514.66x = 335,272.05 × 65,743.11
  4. Step 4: Simplify right side
    223,514.66x = 22,041,827,263.08
  5. Step 5: Solve for x
    x = 22,041,827,263.08/223,514.66
  6. Step 6: Final answer
    x = 98,614.68

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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.