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Finding the Fourth Proportional to 223,888.04, 335,559.90 and 105,420.68

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Solution

The fourth proportional to 223,888.04, 335,559.90 and 105,420.68 is: 158,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,888.04 : 335,559.90 = 105,420.68 : x
  2. Step 2: Convert to fraction form
    223,888.04/335,559.90 = 105,420.68/x
  3. Step 3: Cross multiply
    223,888.04x = 335,559.90 × 105,420.68
  4. Step 4: Simplify right side
    223,888.04x = 35,374,952,838.73
  5. Step 5: Solve for x
    x = 35,374,952,838.73/223,888.04
  6. Step 6: Final answer
    x = 158,002.87

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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.