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Finding the Fourth Proportional to 264,262.80, 364,679.52 and 143,403.11

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Solution

The fourth proportional to 264,262.80, 364,679.52 and 143,403.11 is: 197,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,262.80 : 364,679.52 = 143,403.11 : x
  2. Step 2: Convert to fraction form
    264,262.80/364,679.52 = 143,403.11/x
  3. Step 3: Cross multiply
    264,262.80x = 364,679.52 × 143,403.11
  4. Step 4: Simplify right side
    264,262.80x = 52,296,176,327.70
  5. Step 5: Solve for x
    x = 52,296,176,327.70/264,262.80
  6. Step 6: Final answer
    x = 197,894.58

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