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Finding the Fourth Proportional to 228,113.10, 342,169.65 and 61,901.10

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Solution

The fourth proportional to 228,113.10, 342,169.65 and 61,901.10 is: 92,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,113.10 : 342,169.65 = 61,901.10 : x
  2. Step 2: Convert to fraction form
    228,113.10/342,169.65 = 61,901.10/x
  3. Step 3: Cross multiply
    228,113.10x = 342,169.65 × 61,901.10
  4. Step 4: Simplify right side
    228,113.10x = 21,180,677,721.62
  5. Step 5: Solve for x
    x = 21,180,677,721.62/228,113.10
  6. Step 6: Final answer
    x = 92,851.65

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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.