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Finding the Fourth Proportional to 176,831.38, 265,249.86 and 98,443.84

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Solution

The fourth proportional to 176,831.38, 265,249.86 and 98,443.84 is: 147,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,831.38 : 265,249.86 = 98,443.84 : x
  2. Step 2: Convert to fraction form
    176,831.38/265,249.86 = 98,443.84/x
  3. Step 3: Cross multiply
    176,831.38x = 265,249.86 × 98,443.84
  4. Step 4: Simplify right side
    176,831.38x = 26,112,214,777.86
  5. Step 5: Solve for x
    x = 26,112,214,777.86/176,831.38
  6. Step 6: Final answer
    x = 147,667.31

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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.