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Finding the Fourth Proportional to 223,778.63, 335,678.99 and 63,878.05

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Solution

The fourth proportional to 223,778.63, 335,678.99 and 63,878.05 is: 95,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,778.63 : 335,678.99 = 63,878.05 : x
  2. Step 2: Convert to fraction form
    223,778.63/335,678.99 = 63,878.05/x
  3. Step 3: Cross multiply
    223,778.63x = 335,678.99 × 63,878.05
  4. Step 4: Simplify right side
    223,778.63x = 21,442,519,407.38
  5. Step 5: Solve for x
    x = 21,442,519,407.38/223,778.63
  6. Step 6: Final answer
    x = 95,820.23

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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.