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Finding the Fourth Proportional to 243,115.41, 335,097.72 and 162,513.54

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Solution

The fourth proportional to 243,115.41, 335,097.72 and 162,513.54 is: 224,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,115.41 : 335,097.72 = 162,513.54 : x
  2. Step 2: Convert to fraction form
    243,115.41/335,097.72 = 162,513.54/x
  3. Step 3: Cross multiply
    243,115.41x = 335,097.72 × 162,513.54
  4. Step 4: Simplify right side
    243,115.41x = 54,457,916,723.13
  5. Step 5: Solve for x
    x = 54,457,916,723.13/243,115.41
  6. Step 6: Final answer
    x = 224,000.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.