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Finding the Fourth Proportional to 202,404.89, 279,342.44 and 168,353.30

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Solution

The fourth proportional to 202,404.89, 279,342.44 and 168,353.30 is: 232,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,404.89 : 279,342.44 = 168,353.30 : x
  2. Step 2: Convert to fraction form
    202,404.89/279,342.44 = 168,353.30/x
  3. Step 3: Cross multiply
    202,404.89x = 279,342.44 × 168,353.30
  4. Step 4: Simplify right side
    202,404.89x = 47,028,222,091.97
  5. Step 5: Solve for x
    x = 47,028,222,091.97/202,404.89
  6. Step 6: Final answer
    x = 232,347.26

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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.