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Finding the Fourth Proportional to 267,213.05, 368,740.87 and 146,354.86

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Solution

The fourth proportional to 267,213.05, 368,740.87 and 146,354.86 is: 201,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,213.05 : 368,740.87 = 146,354.86 : x
  2. Step 2: Convert to fraction form
    267,213.05/368,740.87 = 146,354.86/x
  3. Step 3: Cross multiply
    267,213.05x = 368,740.87 × 146,354.86
  4. Step 4: Simplify right side
    267,213.05x = 53,967,018,405.13
  5. Step 5: Solve for x
    x = 53,967,018,405.13/267,213.05
  6. Step 6: Final answer
    x = 201,962.51

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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.