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Finding the Fourth Proportional to 165,887.80, 248,831.70 and 60,717.40

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Solution

The fourth proportional to 165,887.80, 248,831.70 and 60,717.40 is: 91,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,887.80 : 248,831.70 = 60,717.40 : x
  2. Step 2: Convert to fraction form
    165,887.80/248,831.70 = 60,717.40/x
  3. Step 3: Cross multiply
    165,887.80x = 248,831.70 × 60,717.40
  4. Step 4: Simplify right side
    165,887.80x = 15,108,413,861.58
  5. Step 5: Solve for x
    x = 15,108,413,861.58/165,887.80
  6. Step 6: Final answer
    x = 91,076.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.