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Finding the Fourth Proportional to 245,597.28, 368,395.92 and 87,816.17

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Solution

The fourth proportional to 245,597.28, 368,395.92 and 87,816.17 is: 131,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,597.28 : 368,395.92 = 87,816.17 : x
  2. Step 2: Convert to fraction form
    245,597.28/368,395.92 = 87,816.17/x
  3. Step 3: Cross multiply
    245,597.28x = 368,395.92 × 87,816.17
  4. Step 4: Simplify right side
    245,597.28x = 32,351,116,896.05
  5. Step 5: Solve for x
    x = 32,351,116,896.05/245,597.28
  6. Step 6: Final answer
    x = 131,724.25

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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.