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Finding the Fourth Proportional to 223,041.36, 334,557.90 and 89,918.04

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Solution

The fourth proportional to 223,041.36, 334,557.90 and 89,918.04 is: 134,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,041.36 : 334,557.90 = 89,918.04 : x
  2. Step 2: Convert to fraction form
    223,041.36/334,557.90 = 89,918.04/x
  3. Step 3: Cross multiply
    223,041.36x = 334,557.90 × 89,918.04
  4. Step 4: Simplify right side
    223,041.36x = 30,082,790,634.52
  5. Step 5: Solve for x
    x = 30,082,790,634.52/223,041.36
  6. Step 6: Final answer
    x = 134,875.39

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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.