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Finding the Fourth Proportional to 223,503.60, 335,255.42 and 65,733.40

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Solution

The fourth proportional to 223,503.60, 335,255.42 and 65,733.40 is: 98,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,503.60 : 335,255.42 = 65,733.40 : x
  2. Step 2: Convert to fraction form
    223,503.60/335,255.42 = 65,733.40/x
  3. Step 3: Cross multiply
    223,503.60x = 335,255.42 × 65,733.40
  4. Step 4: Simplify right side
    223,503.60x = 22,037,478,625.03
  5. Step 5: Solve for x
    x = 22,037,478,625.03/223,503.60
  6. Step 6: Final answer
    x = 98,600.11

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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.