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Finding the Fourth Proportional to 194,877.60, 269,007.12 and 127,831.20

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Solution

The fourth proportional to 194,877.60, 269,007.12 and 127,831.20 is: 176,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,877.60 : 269,007.12 = 127,831.20 : x
  2. Step 2: Convert to fraction form
    194,877.60/269,007.12 = 127,831.20/x
  3. Step 3: Cross multiply
    194,877.60x = 269,007.12 × 127,831.20
  4. Step 4: Simplify right side
    194,877.60x = 34,387,502,958.14
  5. Step 5: Solve for x
    x = 34,387,502,958.14/194,877.60
  6. Step 6: Final answer
    x = 176,456.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.