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Finding the Fourth Proportional to 114,167.45, 157,614.42 and 68,856.86

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Solution

The fourth proportional to 114,167.45, 157,614.42 and 68,856.86 is: 95,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,167.45 : 157,614.42 = 68,856.86 : x
  2. Step 2: Convert to fraction form
    114,167.45/157,614.42 = 68,856.86/x
  3. Step 3: Cross multiply
    114,167.45x = 157,614.42 × 68,856.86
  4. Step 4: Simplify right side
    114,167.45x = 10,852,834,051.92
  5. Step 5: Solve for x
    x = 10,852,834,051.92/114,167.45
  6. Step 6: Final answer
    x = 95,060.67

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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.