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Finding the Fourth Proportional to 223,645.65, 335,353.56 and 65,853.60

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Solution

The fourth proportional to 223,645.65, 335,353.56 and 65,853.60 is: 98,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,645.65 : 335,353.56 = 65,853.60 : x
  2. Step 2: Convert to fraction form
    223,645.65/335,353.56 = 65,853.60/x
  3. Step 3: Cross multiply
    223,645.65x = 335,353.56 × 65,853.60
  4. Step 4: Simplify right side
    223,645.65x = 22,084,239,198.82
  5. Step 5: Solve for x
    x = 22,084,239,198.82/223,645.65
  6. Step 6: Final answer
    x = 98,746.56

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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.