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Finding the Fourth Proportional to 223,863.40, 335,795.10 and 90,675.10

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Solution

The fourth proportional to 223,863.40, 335,795.10 and 90,675.10 is: 136,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,863.40 : 335,795.10 = 90,675.10 : x
  2. Step 2: Convert to fraction form
    223,863.40/335,795.10 = 90,675.10/x
  3. Step 3: Cross multiply
    223,863.40x = 335,795.10 × 90,675.10
  4. Step 4: Simplify right side
    223,863.40x = 30,448,254,272.01
  5. Step 5: Solve for x
    x = 30,448,254,272.01/223,863.40
  6. Step 6: Final answer
    x = 136,012.65

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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.