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Finding the Fourth Proportional to 264,927, 397,293.30 and 87,381.48

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Solution

The fourth proportional to 264,927, 397,293.30 and 87,381.48 is: 131,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,927 : 397,293.30 = 87,381.48 : x
  2. Step 2: Convert to fraction form
    264,927/397,293.30 = 87,381.48/x
  3. Step 3: Cross multiply
    264,927x = 397,293.30 × 87,381.48
  4. Step 4: Simplify right side
    264,927x = 34,716,076,548.08
  5. Step 5: Solve for x
    x = 34,716,076,548.08/264,927
  6. Step 6: Final answer
    x = 131,040.16

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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.