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Finding the Fourth Proportional to 239,003.30, 358,514.84 and 70,523.63

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Solution

The fourth proportional to 239,003.30, 358,514.84 and 70,523.63 is: 105,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,003.30 : 358,514.84 = 70,523.63 : x
  2. Step 2: Convert to fraction form
    239,003.30/358,514.84 = 70,523.63/x
  3. Step 3: Cross multiply
    239,003.30x = 358,514.84 × 70,523.63
  4. Step 4: Simplify right side
    239,003.30x = 25,283,766,309.40
  5. Step 5: Solve for x
    x = 25,283,766,309.40/239,003.30
  6. Step 6: Final answer
    x = 105,788.36

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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.