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Finding the Fourth Proportional to 228,040.71, 342,116.81 and 160,704.11

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Solution

The fourth proportional to 228,040.71, 342,116.81 and 160,704.11 is: 241,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,040.71 : 342,116.81 = 160,704.11 : x
  2. Step 2: Convert to fraction form
    228,040.71/342,116.81 = 160,704.11/x
  3. Step 3: Cross multiply
    228,040.71x = 342,116.81 × 160,704.11
  4. Step 4: Simplify right side
    228,040.71x = 54,979,574,952.98
  5. Step 5: Solve for x
    x = 54,979,574,952.98/228,040.71
  6. Step 6: Final answer
    x = 241,095.44

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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.