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Finding the Fourth Proportional to 223,482.39, 335,434.25 and 81,464.93

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Solution

The fourth proportional to 223,482.39, 335,434.25 and 81,464.93 is: 122,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,482.39 : 335,434.25 = 81,464.93 : x
  2. Step 2: Convert to fraction form
    223,482.39/335,434.25 = 81,464.93/x
  3. Step 3: Cross multiply
    223,482.39x = 335,434.25 × 81,464.93
  4. Step 4: Simplify right side
    223,482.39x = 27,326,127,695.85
  5. Step 5: Solve for x
    x = 27,326,127,695.85/223,482.39
  6. Step 6: Final answer
    x = 122,274.19

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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.