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Finding the Fourth Proportional to 115,353.95, 173,029.88 and 36,468.20

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Solution

The fourth proportional to 115,353.95, 173,029.88 and 36,468.20 is: 54,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,353.95 : 173,029.88 = 36,468.20 : x
  2. Step 2: Convert to fraction form
    115,353.95/173,029.88 = 36,468.20/x
  3. Step 3: Cross multiply
    115,353.95x = 173,029.88 × 36,468.20
  4. Step 4: Simplify right side
    115,353.95x = 6,310,088,269.82
  5. Step 5: Solve for x
    x = 6,310,088,269.82/115,353.95
  6. Step 6: Final answer
    x = 54,701.97

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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.