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Finding the Fourth Proportional to 114,223.50, 157,606.56 and 73,931.67

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Solution

The fourth proportional to 114,223.50, 157,606.56 and 73,931.67 is: 102,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,223.50 : 157,606.56 = 73,931.67 : x
  2. Step 2: Convert to fraction form
    114,223.50/157,606.56 = 73,931.67/x
  3. Step 3: Cross multiply
    114,223.50x = 157,606.56 × 73,931.67
  4. Step 4: Simplify right side
    114,223.50x = 11,652,116,183.76
  5. Step 5: Solve for x
    x = 11,652,116,183.76/114,223.50
  6. Step 6: Final answer
    x = 102,011.55

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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.