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Finding the Fourth Proportional to 115,851.12, 173,774.88 and 36,964.86

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Solution

The fourth proportional to 115,851.12, 173,774.88 and 36,964.86 is: 55,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,851.12 : 173,774.88 = 36,964.86 : x
  2. Step 2: Convert to fraction form
    115,851.12/173,774.88 = 36,964.86/x
  3. Step 3: Cross multiply
    115,851.12x = 173,774.88 × 36,964.86
  4. Step 4: Simplify right side
    115,851.12x = 6,423,564,110.72
  5. Step 5: Solve for x
    x = 6,423,564,110.72/115,851.12
  6. Step 6: Final answer
    x = 55,446.72

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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.