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Finding the Fourth Proportional to 223,491.60, 335,240.28 and 65,723.76

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Solution

The fourth proportional to 223,491.60, 335,240.28 and 65,723.76 is: 98,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,491.60 : 335,240.28 = 65,723.76 : x
  2. Step 2: Convert to fraction form
    223,491.60/335,240.28 = 65,723.76/x
  3. Step 3: Cross multiply
    223,491.60x = 335,240.28 × 65,723.76
  4. Step 4: Simplify right side
    223,491.60x = 22,033,251,705.05
  5. Step 5: Solve for x
    x = 22,033,251,705.05/223,491.60
  6. Step 6: Final answer
    x = 98,586.49

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1.5x scale

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.