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Finding the Fourth Proportional to 183,753.61, 253,606.20 and 103,186.62

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Solution

The fourth proportional to 183,753.61, 253,606.20 and 103,186.62 is: 142,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,753.61 : 253,606.20 = 103,186.62 : x
  2. Step 2: Convert to fraction form
    183,753.61/253,606.20 = 103,186.62/x
  3. Step 3: Cross multiply
    183,753.61x = 253,606.20 × 103,186.62
  4. Step 4: Simplify right side
    183,753.61x = 26,168,766,589.04
  5. Step 5: Solve for x
    x = 26,168,766,589.04/183,753.61
  6. Step 6: Final answer
    x = 142,412.26

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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.