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Finding the Fourth Proportional to 117,726.80, 176,582.10 and 37,763.60

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Solution

The fourth proportional to 117,726.80, 176,582.10 and 37,763.60 is: 56,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,726.80 : 176,582.10 = 37,763.60 : x
  2. Step 2: Convert to fraction form
    117,726.80/176,582.10 = 37,763.60/x
  3. Step 3: Cross multiply
    117,726.80x = 176,582.10 × 37,763.60
  4. Step 4: Simplify right side
    117,726.80x = 6,668,375,791.56
  5. Step 5: Solve for x
    x = 6,668,375,791.56/117,726.80
  6. Step 6: Final answer
    x = 56,642.80

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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.