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Finding the Fourth Proportional to 149,537.70, 224,415.90 and 99,601.20

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Solution

The fourth proportional to 149,537.70, 224,415.90 and 99,601.20 is: 149,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,537.70 : 224,415.90 = 99,601.20 : x
  2. Step 2: Convert to fraction form
    149,537.70/224,415.90 = 99,601.20/x
  3. Step 3: Cross multiply
    149,537.70x = 224,415.90 × 99,601.20
  4. Step 4: Simplify right side
    149,537.70x = 22,352,092,939.08
  5. Step 5: Solve for x
    x = 22,352,092,939.08/149,537.70
  6. Step 6: Final answer
    x = 149,474.63

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1.5x scale

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.