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Finding the Fourth Proportional to 91,709.61, 137,537.73 and 35,537.19

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Solution

The fourth proportional to 91,709.61, 137,537.73 and 35,537.19 is: 53,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.61 : 137,537.73 = 35,537.19 : x
  2. Step 2: Convert to fraction form
    91,709.61/137,537.73 = 35,537.19/x
  3. Step 3: Cross multiply
    91,709.61x = 137,537.73 × 35,537.19
  4. Step 4: Simplify right side
    91,709.61x = 4,887,704,443.18
  5. Step 5: Solve for x
    x = 4,887,704,443.18/91,709.61
  6. Step 6: Final answer
    x = 53,295.44

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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.