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Finding the Fourth Proportional to 264,359.85, 364,806.66 and 143,498.53

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Solution

The fourth proportional to 264,359.85, 364,806.66 and 143,498.53 is: 198,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,359.85 : 364,806.66 = 143,498.53 : x
  2. Step 2: Convert to fraction form
    264,359.85/364,806.66 = 143,498.53/x
  3. Step 3: Cross multiply
    264,359.85x = 364,806.66 × 143,498.53
  4. Step 4: Simplify right side
    264,359.85x = 52,349,219,444.21
  5. Step 5: Solve for x
    x = 52,349,219,444.21/264,359.85
  6. Step 6: Final answer
    x = 198,022.58

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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.