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Finding the Fourth Proportional to 227,312.40, 340,956.27 and 69,540.87

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Solution

The fourth proportional to 227,312.40, 340,956.27 and 69,540.87 is: 104,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,312.40 : 340,956.27 = 69,540.87 : x
  2. Step 2: Convert to fraction form
    227,312.40/340,956.27 = 69,540.87/x
  3. Step 3: Cross multiply
    227,312.40x = 340,956.27 × 69,540.87
  4. Step 4: Simplify right side
    227,312.40x = 23,710,395,647.75
  5. Step 5: Solve for x
    x = 23,710,395,647.75/227,312.40
  6. Step 6: Final answer
    x = 104,307.53

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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.