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Finding the Fourth Proportional to 176,480.76, 243,552.78 and 101,040.60

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Solution

The fourth proportional to 176,480.76, 243,552.78 and 101,040.60 is: 139,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,480.76 : 243,552.78 = 101,040.60 : x
  2. Step 2: Convert to fraction form
    176,480.76/243,552.78 = 101,040.60/x
  3. Step 3: Cross multiply
    176,480.76x = 243,552.78 × 101,040.60
  4. Step 4: Simplify right side
    176,480.76x = 24,608,719,022.87
  5. Step 5: Solve for x
    x = 24,608,719,022.87/176,480.76
  6. Step 6: Final answer
    x = 139,441.37

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Why These Related Problems?

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