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Finding the Fourth Proportional to 176,010.60, 263,843.10 and 87,277.80

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Solution

The fourth proportional to 176,010.60, 263,843.10 and 87,277.80 is: 130,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,010.60 : 263,843.10 = 87,277.80 : x
  2. Step 2: Convert to fraction form
    176,010.60/263,843.10 = 87,277.80/x
  3. Step 3: Cross multiply
    176,010.60x = 263,843.10 × 87,277.80
  4. Step 4: Simplify right side
    176,010.60x = 23,027,645,313.18
  5. Step 5: Solve for x
    x = 23,027,645,313.18/176,010.60
  6. Step 6: Final answer
    x = 130,831.01

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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.