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Finding the Fourth Proportional to 117,618.99, 176,458.20 and 51,042.93

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Solution

The fourth proportional to 117,618.99, 176,458.20 and 51,042.93 is: 76,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,618.99 : 176,458.20 = 51,042.93 : x
  2. Step 2: Convert to fraction form
    117,618.99/176,458.20 = 51,042.93/x
  3. Step 3: Cross multiply
    117,618.99x = 176,458.20 × 51,042.93
  4. Step 4: Simplify right side
    117,618.99x = 9,006,943,550.53
  5. Step 5: Solve for x
    x = 9,006,943,550.53/117,618.99
  6. Step 6: Final answer
    x = 76,577.29

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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.