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Finding the Fourth Proportional to 223,410.90, 335,124.45 and 65,655.30

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Solution

The fourth proportional to 223,410.90, 335,124.45 and 65,655.30 is: 98,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,410.90 : 335,124.45 = 65,655.30 : x
  2. Step 2: Convert to fraction form
    223,410.90/335,124.45 = 65,655.30/x
  3. Step 3: Cross multiply
    223,410.90x = 335,124.45 × 65,655.30
  4. Step 4: Simplify right side
    223,410.90x = 22,002,696,302.09
  5. Step 5: Solve for x
    x = 22,002,696,302.09/223,410.90
  6. Step 6: Final answer
    x = 98,485.33

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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.