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Finding the Fourth Proportional to 237,979.82, 357,003.14 and 69,512.51

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Solution

The fourth proportional to 237,979.82, 357,003.14 and 69,512.51 is: 104,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,979.82 : 357,003.14 = 69,512.51 : x
  2. Step 2: Convert to fraction form
    237,979.82/357,003.14 = 69,512.51/x
  3. Step 3: Cross multiply
    237,979.82x = 357,003.14 × 69,512.51
  4. Step 4: Simplify right side
    237,979.82x = 24,816,182,206.70
  5. Step 5: Solve for x
    x = 24,816,182,206.70/237,979.82
  6. Step 6: Final answer
    x = 104,278.52

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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.