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Finding the Fourth Proportional to 223,992.18, 335,871.63 and 105,631.74

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Solution

The fourth proportional to 223,992.18, 335,871.63 and 105,631.74 is: 158,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,992.18 : 335,871.63 = 105,631.74 : x
  2. Step 2: Convert to fraction form
    223,992.18/335,871.63 = 105,631.74/x
  3. Step 3: Cross multiply
    223,992.18x = 335,871.63 × 105,631.74
  4. Step 4: Simplify right side
    223,992.18x = 35,478,704,693.54
  5. Step 5: Solve for x
    x = 35,478,704,693.54/223,992.18
  6. Step 6: Final answer
    x = 158,392.60

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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.