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Finding the Fourth Proportional to 117,611.92, 176,416.80 and 47,490.22

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Solution

The fourth proportional to 117,611.92, 176,416.80 and 47,490.22 is: 71,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,611.92 : 176,416.80 = 47,490.22 : x
  2. Step 2: Convert to fraction form
    117,611.92/176,416.80 = 47,490.22/x
  3. Step 3: Cross multiply
    117,611.92x = 176,416.80 × 47,490.22
  4. Step 4: Simplify right side
    117,611.92x = 8,378,072,643.70
  5. Step 5: Solve for x
    x = 8,378,072,643.70/117,611.92
  6. Step 6: Final answer
    x = 71,234.89

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1.5x scale

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.