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Finding the Fourth Proportional to 149,519.84, 224,279.72 and 102,630.56

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Solution

The fourth proportional to 149,519.84, 224,279.72 and 102,630.56 is: 153,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,519.84 : 224,279.72 = 102,630.56 : x
  2. Step 2: Convert to fraction form
    149,519.84/224,279.72 = 102,630.56/x
  3. Step 3: Cross multiply
    149,519.84x = 224,279.72 × 102,630.56
  4. Step 4: Simplify right side
    149,519.84x = 23,017,953,260.24
  5. Step 5: Solve for x
    x = 23,017,953,260.24/149,519.84
  6. Step 6: Final answer
    x = 153,945.81

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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.