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Finding the Fourth Proportional to 224,128.77, 336,242.34 and 66,369.48

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Solution

The fourth proportional to 224,128.77, 336,242.34 and 66,369.48 is: 99,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,128.77 : 336,242.34 = 66,369.48 : x
  2. Step 2: Convert to fraction form
    224,128.77/336,242.34 = 66,369.48/x
  3. Step 3: Cross multiply
    224,128.77x = 336,242.34 × 66,369.48
  4. Step 4: Simplify right side
    224,128.77x = 22,316,229,259.78
  5. Step 5: Solve for x
    x = 22,316,229,259.78/224,128.77
  6. Step 6: Final answer
    x = 99,568.78

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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.