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Finding the Fourth Proportional to 85,960.86, 118,625.67 and 48,235.02

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Solution

The fourth proportional to 85,960.86, 118,625.67 and 48,235.02 is: 66,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,960.86 : 118,625.67 = 48,235.02 : x
  2. Step 2: Convert to fraction form
    85,960.86/118,625.67 = 48,235.02/x
  3. Step 3: Cross multiply
    85,960.86x = 118,625.67 × 48,235.02
  4. Step 4: Simplify right side
    85,960.86x = 5,721,911,564.96
  5. Step 5: Solve for x
    x = 5,721,911,564.96/85,960.86
  6. Step 6: Final answer
    x = 66,564.15

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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.