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Finding the Fourth Proportional to 117,682.56, 176,698.56 and 115,583.04

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Solution

The fourth proportional to 117,682.56, 176,698.56 and 115,583.04 is: 173,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.56 : 176,698.56 = 115,583.04 : x
  2. Step 2: Convert to fraction form
    117,682.56/176,698.56 = 115,583.04/x
  3. Step 3: Cross multiply
    117,682.56x = 176,698.56 × 115,583.04
  4. Step 4: Simplify right side
    117,682.56x = 20,423,356,728.42
  5. Step 5: Solve for x
    x = 20,423,356,728.42/117,682.56
  6. Step 6: Final answer
    x = 173,546.16

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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.