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Finding the Fourth Proportional to 224,216.96, 336,348.48 and 129,553.28

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Solution

The fourth proportional to 224,216.96, 336,348.48 and 129,553.28 is: 194,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,216.96 : 336,348.48 = 129,553.28 : x
  2. Step 2: Convert to fraction form
    224,216.96/336,348.48 = 129,553.28/x
  3. Step 3: Cross multiply
    224,216.96x = 336,348.48 × 129,553.28
  4. Step 4: Simplify right side
    224,216.96x = 43,575,048,807.01
  5. Step 5: Solve for x
    x = 43,575,048,807.01/224,216.96
  6. Step 6: Final answer
    x = 194,343.23

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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.