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Finding the Fourth Proportional to 223,649.03, 335,358.60 and 65,856.98

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Solution

The fourth proportional to 223,649.03, 335,358.60 and 65,856.98 is: 98,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,649.03 : 335,358.60 = 65,856.98 : x
  2. Step 2: Convert to fraction form
    223,649.03/335,358.60 = 65,856.98/x
  3. Step 3: Cross multiply
    223,649.03x = 335,358.60 × 65,856.98
  4. Step 4: Simplify right side
    223,649.03x = 22,085,702,936.24
  5. Step 5: Solve for x
    x = 22,085,702,936.24/223,649.03
  6. Step 6: Final answer
    x = 98,751.62

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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.