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Finding the Fourth Proportional to 117,799.33, 176,698.18 and 47,677.63

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Solution

The fourth proportional to 117,799.33, 176,698.18 and 47,677.63 is: 71,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,799.33 : 176,698.18 = 47,677.63 : x
  2. Step 2: Convert to fraction form
    117,799.33/176,698.18 = 47,677.63/x
  3. Step 3: Cross multiply
    117,799.33x = 176,698.18 × 47,677.63
  4. Step 4: Simplify right side
    117,799.33x = 8,424,550,447.71
  5. Step 5: Solve for x
    x = 8,424,550,447.71/117,799.33
  6. Step 6: Final answer
    x = 71,516.12

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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.