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Finding the Fourth Proportional to 227,271.94, 340,957.13 and 87,030.56

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Solution

The fourth proportional to 227,271.94, 340,957.13 and 87,030.56 is: 130,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,271.94 : 340,957.13 = 87,030.56 : x
  2. Step 2: Convert to fraction form
    227,271.94/340,957.13 = 87,030.56/x
  3. Step 3: Cross multiply
    227,271.94x = 340,957.13 × 87,030.56
  4. Step 4: Simplify right side
    227,271.94x = 29,673,690,377.13
  5. Step 5: Solve for x
    x = 29,673,690,377.13/227,271.94
  6. Step 6: Final answer
    x = 130,564.69

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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.