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Finding the Fourth Proportional to 162,264.21, 223,924.04 and 89,665.08

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Solution

The fourth proportional to 162,264.21, 223,924.04 and 89,665.08 is: 123,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,264.21 : 223,924.04 = 89,665.08 : x
  2. Step 2: Convert to fraction form
    162,264.21/223,924.04 = 89,665.08/x
  3. Step 3: Cross multiply
    162,264.21x = 223,924.04 × 89,665.08
  4. Step 4: Simplify right side
    162,264.21x = 20,078,166,008.73
  5. Step 5: Solve for x
    x = 20,078,166,008.73/162,264.21
  6. Step 6: Final answer
    x = 123,737.49

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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.