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Finding the Fourth Proportional to 223,985.28, 335,973.68 and 55,506

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Solution

The fourth proportional to 223,985.28, 335,973.68 and 55,506 is: 83,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,985.28 : 335,973.68 = 55,506 : x
  2. Step 2: Convert to fraction form
    223,985.28/335,973.68 = 55,506/x
  3. Step 3: Cross multiply
    223,985.28x = 335,973.68 × 55,506
  4. Step 4: Simplify right side
    223,985.28x = 18,648,555,082.08
  5. Step 5: Solve for x
    x = 18,648,555,082.08/223,985.28
  6. Step 6: Final answer
    x = 83,257.95

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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.