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Finding the Fourth Proportional to 223,394.30, 335,088.75 and 65,617.10

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Solution

The fourth proportional to 223,394.30, 335,088.75 and 65,617.10 is: 98,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,394.30 : 335,088.75 = 65,617.10 : x
  2. Step 2: Convert to fraction form
    223,394.30/335,088.75 = 65,617.10/x
  3. Step 3: Cross multiply
    223,394.30x = 335,088.75 × 65,617.10
  4. Step 4: Simplify right side
    223,394.30x = 21,987,552,017.63
  5. Step 5: Solve for x
    x = 21,987,552,017.63/223,394.30
  6. Step 6: Final answer
    x = 98,424.86

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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.