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Finding the Fourth Proportional to 176,369.44, 243,395.28 and 100,942.24

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Solution

The fourth proportional to 176,369.44, 243,395.28 and 100,942.24 is: 139,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,369.44 : 243,395.28 = 100,942.24 : x
  2. Step 2: Convert to fraction form
    176,369.44/243,395.28 = 100,942.24/x
  3. Step 3: Cross multiply
    176,369.44x = 243,395.28 × 100,942.24
  4. Step 4: Simplify right side
    176,369.44x = 24,568,864,768.63
  5. Step 5: Solve for x
    x = 24,568,864,768.63/176,369.44
  6. Step 6: Final answer
    x = 139,303.41

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1.5x scale

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.