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Finding the Fourth Proportional to 176,874.60, 244,074.64 and 100,395.28

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Solution

The fourth proportional to 176,874.60, 244,074.64 and 100,395.28 is: 138,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,874.60 : 244,074.64 = 100,395.28 : x
  2. Step 2: Convert to fraction form
    176,874.60/244,074.64 = 100,395.28/x
  3. Step 3: Cross multiply
    176,874.60x = 244,074.64 × 100,395.28
  4. Step 4: Simplify right side
    176,874.60x = 24,503,941,823.70
  5. Step 5: Solve for x
    x = 24,503,941,823.70/176,874.60
  6. Step 6: Final answer
    x = 138,538.50

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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.