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Finding the Fourth Proportional to 264,573.12, 365,117.67 and 143,721.30

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Solution

The fourth proportional to 264,573.12, 365,117.67 and 143,721.30 is: 198,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,573.12 : 365,117.67 = 143,721.30 : x
  2. Step 2: Convert to fraction form
    264,573.12/365,117.67 = 143,721.30/x
  3. Step 3: Cross multiply
    264,573.12x = 365,117.67 × 143,721.30
  4. Step 4: Simplify right side
    264,573.12x = 52,475,186,185.37
  5. Step 5: Solve for x
    x = 52,475,186,185.37/264,573.12
  6. Step 6: Final answer
    x = 198,339.07

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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.