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Finding the Fourth Proportional to 223,862.13, 335,712.56 and 74,074.77

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Solution

The fourth proportional to 223,862.13, 335,712.56 and 74,074.77 is: 111,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,862.13 : 335,712.56 = 74,074.77 : x
  2. Step 2: Convert to fraction form
    223,862.13/335,712.56 = 74,074.77/x
  3. Step 3: Cross multiply
    223,862.13x = 335,712.56 × 74,074.77
  4. Step 4: Simplify right side
    223,862.13x = 24,867,830,297.74
  5. Step 5: Solve for x
    x = 24,867,830,297.74/223,862.13
  6. Step 6: Final answer
    x = 111,085.47

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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.