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Finding the Fourth Proportional to 262,798.72, 362,662.12 and 141,939.96

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Solution

The fourth proportional to 262,798.72, 362,662.12 and 141,939.96 is: 195,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,798.72 : 362,662.12 = 141,939.96 : x
  2. Step 2: Convert to fraction form
    262,798.72/362,662.12 = 141,939.96/x
  3. Step 3: Cross multiply
    262,798.72x = 362,662.12 × 141,939.96
  4. Step 4: Simplify right side
    262,798.72x = 51,476,246,806.32
  5. Step 5: Solve for x
    x = 51,476,246,806.32/262,798.72
  6. Step 6: Final answer
    x = 195,877.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.