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Finding the Fourth Proportional to 223,998.80, 335,537.40 and 153,957.20

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Solution

The fourth proportional to 223,998.80, 335,537.40 and 153,957.20 is: 230,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,998.80 : 335,537.40 = 153,957.20 : x
  2. Step 2: Convert to fraction form
    223,998.80/335,537.40 = 153,957.20/x
  3. Step 3: Cross multiply
    223,998.80x = 335,537.40 × 153,957.20
  4. Step 4: Simplify right side
    223,998.80x = 51,658,398,599.28
  5. Step 5: Solve for x
    x = 51,658,398,599.28/223,998.80
  6. Step 6: Final answer
    x = 230,619.09

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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.