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Finding the Fourth Proportional to 49,157.76, 73,831.41 and 43,658.67

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Solution

The fourth proportional to 49,157.76, 73,831.41 and 43,658.67 is: 65,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,157.76 : 73,831.41 = 43,658.67 : x
  2. Step 2: Convert to fraction form
    49,157.76/73,831.41 = 43,658.67/x
  3. Step 3: Cross multiply
    49,157.76x = 73,831.41 × 43,658.67
  4. Step 4: Simplify right side
    49,157.76x = 3,223,381,164.82
  5. Step 5: Solve for x
    x = 3,223,381,164.82/49,157.76
  6. Step 6: Final answer
    x = 65,572.17

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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.