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Finding the Fourth Proportional to 224,245.76, 335,988.01 and 135,312.40

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Solution

The fourth proportional to 224,245.76, 335,988.01 and 135,312.40 is: 202,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,245.76 : 335,988.01 = 135,312.40 : x
  2. Step 2: Convert to fraction form
    224,245.76/335,988.01 = 135,312.40/x
  3. Step 3: Cross multiply
    224,245.76x = 335,988.01 × 135,312.40
  4. Step 4: Simplify right side
    224,245.76x = 45,463,344,004.32
  5. Step 5: Solve for x
    x = 45,463,344,004.32/224,245.76
  6. Step 6: Final answer
    x = 202,738.92

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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.