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Finding the Fourth Proportional to 223,980.95, 335,967.17 and 55,501.62

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Solution

The fourth proportional to 223,980.95, 335,967.17 and 55,501.62 is: 83,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,980.95 : 335,967.17 = 55,501.62 : x
  2. Step 2: Convert to fraction form
    223,980.95/335,967.17 = 55,501.62/x
  3. Step 3: Cross multiply
    223,980.95x = 335,967.17 × 55,501.62
  4. Step 4: Simplify right side
    223,980.95x = 18,646,721,924.31
  5. Step 5: Solve for x
    x = 18,646,721,924.31/223,980.95
  6. Step 6: Final answer
    x = 83,251.38

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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.