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Finding the Fourth Proportional to 242,169.16, 334,209.41 and 134,739.41

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Solution

The fourth proportional to 242,169.16, 334,209.41 and 134,739.41 is: 185,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,169.16 : 334,209.41 = 134,739.41 : x
  2. Step 2: Convert to fraction form
    242,169.16/334,209.41 = 134,739.41/x
  3. Step 3: Cross multiply
    242,169.16x = 334,209.41 × 134,739.41
  4. Step 4: Simplify right side
    242,169.16x = 45,031,178,719.85
  5. Step 5: Solve for x
    x = 45,031,178,719.85/242,169.16
  6. Step 6: Final answer
    x = 185,949.27

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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.