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Finding the Fourth Proportional to 228,510.30, 342,862.65 and 110,120.70

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Solution

The fourth proportional to 228,510.30, 342,862.65 and 110,120.70 is: 165,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,510.30 : 342,862.65 = 110,120.70 : x
  2. Step 2: Convert to fraction form
    228,510.30/342,862.65 = 110,120.70/x
  3. Step 3: Cross multiply
    228,510.30x = 342,862.65 × 110,120.70
  4. Step 4: Simplify right side
    228,510.30x = 37,756,275,021.86
  5. Step 5: Solve for x
    x = 37,756,275,021.86/228,510.30
  6. Step 6: Final answer
    x = 165,227.89

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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.