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Finding the Fourth Proportional to 235,473.93, 353,223.11 and 77,714.69

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Solution

The fourth proportional to 235,473.93, 353,223.11 and 77,714.69 is: 116,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,473.93 : 353,223.11 = 77,714.69 : x
  2. Step 2: Convert to fraction form
    235,473.93/353,223.11 = 77,714.69/x
  3. Step 3: Cross multiply
    235,473.93x = 353,223.11 × 77,714.69
  4. Step 4: Simplify right side
    235,473.93x = 27,450,622,922.66
  5. Step 5: Solve for x
    x = 27,450,622,922.66/235,473.93
  6. Step 6: Final answer
    x = 116,576.06

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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.