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Finding the Fourth Proportional to 227,531.40, 341,297.10 and 61,319.40

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Solution

The fourth proportional to 227,531.40, 341,297.10 and 61,319.40 is: 91,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531.40 : 341,297.10 = 61,319.40 : x
  2. Step 2: Convert to fraction form
    227,531.40/341,297.10 = 61,319.40/x
  3. Step 3: Cross multiply
    227,531.40x = 341,297.10 × 61,319.40
  4. Step 4: Simplify right side
    227,531.40x = 20,928,133,393.74
  5. Step 5: Solve for x
    x = 20,928,133,393.74/227,531.40
  6. Step 6: Final answer
    x = 91,979.10

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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.