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Finding the Fourth Proportional to 117,355.80, 176,034.42 and 28,610.04

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Solution

The fourth proportional to 117,355.80, 176,034.42 and 28,610.04 is: 42,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,355.80 : 176,034.42 = 28,610.04 : x
  2. Step 2: Convert to fraction form
    117,355.80/176,034.42 = 28,610.04/x
  3. Step 3: Cross multiply
    117,355.80x = 176,034.42 × 28,610.04
  4. Step 4: Simplify right side
    117,355.80x = 5,036,351,797.58
  5. Step 5: Solve for x
    x = 5,036,351,797.58/117,355.80
  6. Step 6: Final answer
    x = 42,915.24

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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.