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Finding the Fourth Proportional to 223,488.81, 335,239.29 and 65,722.32

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Solution

The fourth proportional to 223,488.81, 335,239.29 and 65,722.32 is: 98,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,488.81 : 335,239.29 = 65,722.32 : x
  2. Step 2: Convert to fraction form
    223,488.81/335,239.29 = 65,722.32/x
  3. Step 3: Cross multiply
    223,488.81x = 335,239.29 × 65,722.32
  4. Step 4: Simplify right side
    223,488.81x = 22,032,703,893.95
  5. Step 5: Solve for x
    x = 22,032,703,893.95/223,488.81
  6. Step 6: Final answer
    x = 98,585.27

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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.