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Finding the Fourth Proportional to 235,366.10, 353,049.15 and 77,574.05

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Solution

The fourth proportional to 235,366.10, 353,049.15 and 77,574.05 is: 116,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,366.10 : 353,049.15 = 77,574.05 : x
  2. Step 2: Convert to fraction form
    235,366.10/353,049.15 = 77,574.05/x
  3. Step 3: Cross multiply
    235,366.10x = 353,049.15 × 77,574.05
  4. Step 4: Simplify right side
    235,366.10x = 27,387,452,414.56
  5. Step 5: Solve for x
    x = 27,387,452,414.56/235,366.10
  6. Step 6: Final answer
    x = 116,361.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.