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Finding the Fourth Proportional to 176,564.40, 264,846.60 and 87,831.60

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Solution

The fourth proportional to 176,564.40, 264,846.60 and 87,831.60 is: 131,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,564.40 : 264,846.60 = 87,831.60 : x
  2. Step 2: Convert to fraction form
    176,564.40/264,846.60 = 87,831.60/x
  3. Step 3: Cross multiply
    176,564.40x = 264,846.60 × 87,831.60
  4. Step 4: Simplify right side
    176,564.40x = 23,261,900,632.56
  5. Step 5: Solve for x
    x = 23,261,900,632.56/176,564.40
  6. Step 6: Final answer
    x = 131,747.40

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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.