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Finding the Fourth Proportional to 364,343.03, 546,530.95 and 111,605.09

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Solution

The fourth proportional to 364,343.03, 546,530.95 and 111,605.09 is: 167,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,343.03 : 546,530.95 = 111,605.09 : x
  2. Step 2: Convert to fraction form
    364,343.03/546,530.95 = 111,605.09/x
  3. Step 3: Cross multiply
    364,343.03x = 546,530.95 × 111,605.09
  4. Step 4: Simplify right side
    364,343.03x = 60,995,635,862.54
  5. Step 5: Solve for x
    x = 60,995,635,862.54/364,343.03
  6. Step 6: Final answer
    x = 167,412.66

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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.