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Finding the Fourth Proportional to 365,431.87, 548,141.68 and 109,265.02

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Solution

The fourth proportional to 365,431.87, 548,141.68 and 109,265.02 is: 163,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,431.87 : 548,141.68 = 109,265.02 : x
  2. Step 2: Convert to fraction form
    365,431.87/548,141.68 = 109,265.02/x
  3. Step 3: Cross multiply
    365,431.87x = 548,141.68 × 109,265.02
  4. Step 4: Simplify right side
    365,431.87x = 59,892,710,394.26
  5. Step 5: Solve for x
    x = 59,892,710,394.26/365,431.87
  6. Step 6: Final answer
    x = 163,895.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.