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Finding the Fourth Proportional to 227,271.75, 340,956.84 and 87,030.38

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Solution

The fourth proportional to 227,271.75, 340,956.84 and 87,030.38 is: 130,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,271.75 : 340,956.84 = 87,030.38 : x
  2. Step 2: Convert to fraction form
    227,271.75/340,956.84 = 87,030.38/x
  3. Step 3: Cross multiply
    227,271.75x = 340,956.84 × 87,030.38
  4. Step 4: Simplify right side
    227,271.75x = 29,673,602,913.65
  5. Step 5: Solve for x
    x = 29,673,602,913.65/227,271.75
  6. Step 6: Final answer
    x = 130,564.41

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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.