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Finding the Fourth Proportional to 157,296.67, 235,855.04 and 73,013.47

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Solution

The fourth proportional to 157,296.67, 235,855.04 and 73,013.47 is: 109,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,296.67 : 235,855.04 = 73,013.47 : x
  2. Step 2: Convert to fraction form
    157,296.67/235,855.04 = 73,013.47/x
  3. Step 3: Cross multiply
    157,296.67x = 235,855.04 × 73,013.47
  4. Step 4: Simplify right side
    157,296.67x = 17,220,593,890.65
  5. Step 5: Solve for x
    x = 17,220,593,890.65/157,296.67
  6. Step 6: Final answer
    x = 109,478.44

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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.