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Finding the Fourth Proportional to 203,357.68, 304,833.50 and 70,152.97

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Solution

The fourth proportional to 203,357.68, 304,833.50 and 70,152.97 is: 105,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,357.68 : 304,833.50 = 70,152.97 : x
  2. Step 2: Convert to fraction form
    203,357.68/304,833.50 = 70,152.97/x
  3. Step 3: Cross multiply
    203,357.68x = 304,833.50 × 70,152.97
  4. Step 4: Simplify right side
    203,357.68x = 21,384,973,505.56
  5. Step 5: Solve for x
    x = 21,384,973,505.56/203,357.68
  6. Step 6: Final answer
    x = 105,159.41

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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.