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Finding the Fourth Proportional to 162,388.89, 223,892.75 and 124,195.29

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Solution

The fourth proportional to 162,388.89, 223,892.75 and 124,195.29 is: 171,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,388.89 : 223,892.75 = 124,195.29 : x
  2. Step 2: Convert to fraction form
    162,388.89/223,892.75 = 124,195.29/x
  3. Step 3: Cross multiply
    162,388.89x = 223,892.75 × 124,195.29
  4. Step 4: Simplify right side
    162,388.89x = 27,806,424,394.17
  5. Step 5: Solve for x
    x = 27,806,424,394.17/162,388.89
  6. Step 6: Final answer
    x = 171,233.54

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1.5x scale

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.