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Finding the Fourth Proportional to 180,488.61, 248,996.10 and 108,828.82

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Solution

The fourth proportional to 180,488.61, 248,996.10 and 108,828.82 is: 150,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,488.61 : 248,996.10 = 108,828.82 : x
  2. Step 2: Convert to fraction form
    180,488.61/248,996.10 = 108,828.82/x
  3. Step 3: Cross multiply
    180,488.61x = 248,996.10 × 108,828.82
  4. Step 4: Simplify right side
    180,488.61x = 27,097,952,681.34
  5. Step 5: Solve for x
    x = 27,097,952,681.34/180,488.61
  6. Step 6: Final answer
    x = 150,136.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.