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Finding the Fourth Proportional to 173,077.61, 259,625.86 and 54,740.12

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Solution

The fourth proportional to 173,077.61, 259,625.86 and 54,740.12 is: 82,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,077.61 : 259,625.86 = 54,740.12 : x
  2. Step 2: Convert to fraction form
    173,077.61/259,625.86 = 54,740.12/x
  3. Step 3: Cross multiply
    173,077.61x = 259,625.86 × 54,740.12
  4. Step 4: Simplify right side
    173,077.61x = 14,211,949,296.52
  5. Step 5: Solve for x
    x = 14,211,949,296.52/173,077.61
  6. Step 6: Final answer
    x = 82,113.16

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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.