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Finding the Fourth Proportional to 242,091.72, 334,048.05 and 134,661.42

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Solution

The fourth proportional to 242,091.72, 334,048.05 and 134,661.42 is: 185,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,091.72 : 334,048.05 = 134,661.42 : x
  2. Step 2: Convert to fraction form
    242,091.72/334,048.05 = 134,661.42/x
  3. Step 3: Cross multiply
    242,091.72x = 334,048.05 × 134,661.42
  4. Step 4: Simplify right side
    242,091.72x = 44,983,384,761.23
  5. Step 5: Solve for x
    x = 44,983,384,761.23/242,091.72
  6. Step 6: Final answer
    x = 185,811.33

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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.