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Finding the Fourth Proportional to 201,371.76, 277,831.46 and 132,441.58

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Solution

The fourth proportional to 201,371.76, 277,831.46 and 132,441.58 is: 182,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,371.76 : 277,831.46 = 132,441.58 : x
  2. Step 2: Convert to fraction form
    201,371.76/277,831.46 = 132,441.58/x
  3. Step 3: Cross multiply
    201,371.76x = 277,831.46 × 132,441.58
  4. Step 4: Simplify right side
    201,371.76x = 36,796,437,536.11
  5. Step 5: Solve for x
    x = 36,796,437,536.11/201,371.76
  6. Step 6: Final answer
    x = 182,728.89

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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.