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Finding the Fourth Proportional to 201,363.78, 277,874.90 and 110,719.11

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Solution

The fourth proportional to 201,363.78, 277,874.90 and 110,719.11 is: 152,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,363.78 : 277,874.90 = 110,719.11 : x
  2. Step 2: Convert to fraction form
    201,363.78/277,874.90 = 110,719.11/x
  3. Step 3: Cross multiply
    201,363.78x = 277,874.90 × 110,719.11
  4. Step 4: Simplify right side
    201,363.78x = 30,766,059,676.37
  5. Step 5: Solve for x
    x = 30,766,059,676.37/201,363.78
  6. Step 6: Final answer
    x = 152,788.45

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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.