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Finding the Fourth Proportional to 90,607.90, 135,918.50 and 24,046.54

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Solution

The fourth proportional to 90,607.90, 135,918.50 and 24,046.54 is: 36,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.90 : 135,918.50 = 24,046.54 : x
  2. Step 2: Convert to fraction form
    90,607.90/135,918.50 = 24,046.54/x
  3. Step 3: Cross multiply
    90,607.90x = 135,918.50 × 24,046.54
  4. Step 4: Simplify right side
    90,607.90x = 3,268,369,646.99
  5. Step 5: Solve for x
    x = 3,268,369,646.99/90,607.90
  6. Step 6: Final answer
    x = 36,071.57

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Why These Related Problems?

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