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Finding the Fourth Proportional to 223,486.61, 335,276.10 and 73,736.06

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Solution

The fourth proportional to 223,486.61, 335,276.10 and 73,736.06 is: 110,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,486.61 : 335,276.10 = 73,736.06 : x
  2. Step 2: Convert to fraction form
    223,486.61/335,276.10 = 73,736.06/x
  3. Step 3: Cross multiply
    223,486.61x = 335,276.10 × 73,736.06
  4. Step 4: Simplify right side
    223,486.61x = 24,721,938,626.17
  5. Step 5: Solve for x
    x = 24,721,938,626.17/223,486.61
  6. Step 6: Final answer
    x = 110,619.33

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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.