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Finding the Fourth Proportional to 119,502, 179,240.58 and 74,996.82

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Solution

The fourth proportional to 119,502, 179,240.58 and 74,996.82 is: 112,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,502 : 179,240.58 = 74,996.82 : x
  2. Step 2: Convert to fraction form
    119,502/179,240.58 = 74,996.82/x
  3. Step 3: Cross multiply
    119,502x = 179,240.58 × 74,996.82
  4. Step 4: Simplify right side
    119,502x = 13,442,473,514.96
  5. Step 5: Solve for x
    x = 13,442,473,514.96/119,502
  6. Step 6: Final answer
    x = 112,487.44

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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.