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Finding the Fourth Proportional to 227,215.10, 340,822.65 and 61,003.10

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Solution

The fourth proportional to 227,215.10, 340,822.65 and 61,003.10 is: 91,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,215.10 : 340,822.65 = 61,003.10 : x
  2. Step 2: Convert to fraction form
    227,215.10/340,822.65 = 61,003.10/x
  3. Step 3: Cross multiply
    227,215.10x = 340,822.65 × 61,003.10
  4. Step 4: Simplify right side
    227,215.10x = 20,791,238,200.22
  5. Step 5: Solve for x
    x = 20,791,238,200.22/227,215.10
  6. Step 6: Final answer
    x = 91,504.65

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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.