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Finding the Fourth Proportional to 117,800.96, 176,700.61 and 47,679.26

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Solution

The fourth proportional to 117,800.96, 176,700.61 and 47,679.26 is: 71,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,800.96 : 176,700.61 = 47,679.26 : x
  2. Step 2: Convert to fraction form
    117,800.96/176,700.61 = 47,679.26/x
  3. Step 3: Cross multiply
    117,800.96x = 176,700.61 × 47,679.26
  4. Step 4: Simplify right side
    117,800.96x = 8,424,953,323.65
  5. Step 5: Solve for x
    x = 8,424,953,323.65/117,800.96
  6. Step 6: Final answer
    x = 71,518.55

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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.