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Finding the Fourth Proportional to 117,806.58, 176,705.62 and 51,246.76

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Solution

The fourth proportional to 117,806.58, 176,705.62 and 51,246.76 is: 76,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,806.58 : 176,705.62 = 51,246.76 : x
  2. Step 2: Convert to fraction form
    117,806.58/176,705.62 = 51,246.76/x
  3. Step 3: Cross multiply
    117,806.58x = 176,705.62 × 51,246.76
  4. Step 4: Simplify right side
    117,806.58x = 9,055,590,498.79
  5. Step 5: Solve for x
    x = 9,055,590,498.79/117,806.58
  6. Step 6: Final answer
    x = 76,868.29

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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.