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Finding the Fourth Proportional to 224,215.70, 336,266.24 and 66,407.24

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Solution

The fourth proportional to 224,215.70, 336,266.24 and 66,407.24 is: 99,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,215.70 : 336,266.24 = 66,407.24 : x
  2. Step 2: Convert to fraction form
    224,215.70/336,266.24 = 66,407.24/x
  3. Step 3: Cross multiply
    224,215.70x = 336,266.24 × 66,407.24
  4. Step 4: Simplify right side
    224,215.70x = 22,330,513,412.21
  5. Step 5: Solve for x
    x = 22,330,513,412.21/224,215.70
  6. Step 6: Final answer
    x = 99,593.89

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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.