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Finding the Fourth Proportional to 114,670.79, 158,247.81 and 63,688.24

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Solution

The fourth proportional to 114,670.79, 158,247.81 and 63,688.24 is: 87,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,670.79 : 158,247.81 = 63,688.24 : x
  2. Step 2: Convert to fraction form
    114,670.79/158,247.81 = 63,688.24/x
  3. Step 3: Cross multiply
    114,670.79x = 158,247.81 × 63,688.24
  4. Step 4: Simplify right side
    114,670.79x = 10,078,524,700.56
  5. Step 5: Solve for x
    x = 10,078,524,700.56/114,670.79
  6. Step 6: Final answer
    x = 87,890.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.