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Finding the Fourth Proportional to 201,385.32, 277,912.68 and 110,747.04

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Solution

The fourth proportional to 201,385.32, 277,912.68 and 110,747.04 is: 152,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,385.32 : 277,912.68 = 110,747.04 : x
  2. Step 2: Convert to fraction form
    201,385.32/277,912.68 = 110,747.04/x
  3. Step 3: Cross multiply
    201,385.32x = 277,912.68 × 110,747.04
  4. Step 4: Simplify right side
    201,385.32x = 30,778,006,688.47
  5. Step 5: Solve for x
    x = 30,778,006,688.47/201,385.32
  6. Step 6: Final answer
    x = 152,831.43

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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.