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Finding the Fourth Proportional to 117,340.08, 176,049.24 and 78,052.08

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Solution

The fourth proportional to 117,340.08, 176,049.24 and 78,052.08 is: 117,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.08 : 176,049.24 = 78,052.08 : x
  2. Step 2: Convert to fraction form
    117,340.08/176,049.24 = 78,052.08/x
  3. Step 3: Cross multiply
    117,340.08x = 176,049.24 × 78,052.08
  4. Step 4: Simplify right side
    117,340.08x = 13,741,009,364.42
  5. Step 5: Solve for x
    x = 13,741,009,364.42/117,340.08
  6. Step 6: Final answer
    x = 117,104.14

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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.