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Finding the Fourth Proportional to 223,118.88, 307,903.87 and 122,516.88

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Solution

The fourth proportional to 223,118.88, 307,903.87 and 122,516.88 is: 169,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,118.88 : 307,903.87 = 122,516.88 : x
  2. Step 2: Convert to fraction form
    223,118.88/307,903.87 = 122,516.88/x
  3. Step 3: Cross multiply
    223,118.88x = 307,903.87 × 122,516.88
  4. Step 4: Simplify right side
    223,118.88x = 37,723,421,492.33
  5. Step 5: Solve for x
    x = 37,723,421,492.33/223,118.88
  6. Step 6: Final answer
    x = 169,073.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.