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Finding the Fourth Proportional to 265,038.66, 397,524.30 and 87,502.02

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Solution

The fourth proportional to 265,038.66, 397,524.30 and 87,502.02 is: 131,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,038.66 : 397,524.30 = 87,502.02 : x
  2. Step 2: Convert to fraction form
    265,038.66/397,524.30 = 87,502.02/x
  3. Step 3: Cross multiply
    265,038.66x = 397,524.30 × 87,502.02
  4. Step 4: Simplify right side
    265,038.66x = 34,784,179,249.09
  5. Step 5: Solve for x
    x = 34,784,179,249.09/265,038.66
  6. Step 6: Final answer
    x = 131,241.91

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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.