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Finding the Fourth Proportional to 149,649.30, 224,733.15 and 79,665.30

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Solution

The fourth proportional to 149,649.30, 224,733.15 and 79,665.30 is: 119,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,649.30 : 224,733.15 = 79,665.30 : x
  2. Step 2: Convert to fraction form
    149,649.30/224,733.15 = 79,665.30/x
  3. Step 3: Cross multiply
    149,649.30x = 224,733.15 × 79,665.30
  4. Step 4: Simplify right side
    149,649.30x = 17,903,433,814.70
  5. Step 5: Solve for x
    x = 17,903,433,814.70/149,649.30
  6. Step 6: Final answer
    x = 119,635.93

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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.