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Finding the Fourth Proportional to 223,973.48, 335,956.08 and 55,494.21

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Solution

The fourth proportional to 223,973.48, 335,956.08 and 55,494.21 is: 83,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,973.48 : 335,956.08 = 55,494.21 : x
  2. Step 2: Convert to fraction form
    223,973.48/335,956.08 = 55,494.21/x
  3. Step 3: Cross multiply
    223,973.48x = 335,956.08 × 55,494.21
  4. Step 4: Simplify right side
    223,973.48x = 18,643,618,566.16
  5. Step 5: Solve for x
    x = 18,643,618,566.16/223,973.48
  6. Step 6: Final answer
    x = 83,240.30

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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.