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Finding the Fourth Proportional to 113,251.86, 169,910.59 and 46,657.71

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Solution

The fourth proportional to 113,251.86, 169,910.59 and 46,657.71 is: 70,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251.86 : 169,910.59 = 46,657.71 : x
  2. Step 2: Convert to fraction form
    113,251.86/169,910.59 = 46,657.71/x
  3. Step 3: Cross multiply
    113,251.86x = 169,910.59 × 46,657.71
  4. Step 4: Simplify right side
    113,251.86x = 7,927,639,034.15
  5. Step 5: Solve for x
    x = 7,927,639,034.15/113,251.86
  6. Step 6: Final answer
    x = 70,000.08

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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.