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Finding the Fourth Proportional to 264,702.76, 365,288.61 and 143,841.76

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Solution

The fourth proportional to 264,702.76, 365,288.61 and 143,841.76 is: 198,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,702.76 : 365,288.61 = 143,841.76 : x
  2. Step 2: Convert to fraction form
    264,702.76/365,288.61 = 143,841.76/x
  3. Step 3: Cross multiply
    264,702.76x = 365,288.61 × 143,841.76
  4. Step 4: Simplify right side
    264,702.76x = 52,543,756,570.35
  5. Step 5: Solve for x
    x = 52,543,756,570.35/264,702.76
  6. Step 6: Final answer
    x = 198,500.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.