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Finding the Fourth Proportional to 200,703, 301,074.68 and 52,959

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Solution

The fourth proportional to 200,703, 301,074.68 and 52,959 is: 79,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,703 : 301,074.68 = 52,959 : x
  2. Step 2: Convert to fraction form
    200,703/301,074.68 = 52,959/x
  3. Step 3: Cross multiply
    200,703x = 301,074.68 × 52,959
  4. Step 4: Simplify right side
    200,703x = 15,944,613,978.12
  5. Step 5: Solve for x
    x = 15,944,613,978.12/200,703
  6. Step 6: Final answer
    x = 79,443.82

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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.