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Finding the Fourth Proportional to 91,889.52, 137,834.28 and 26,225.52

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Solution

The fourth proportional to 91,889.52, 137,834.28 and 26,225.52 is: 39,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889.52 : 137,834.28 = 26,225.52 : x
  2. Step 2: Convert to fraction form
    91,889.52/137,834.28 = 26,225.52/x
  3. Step 3: Cross multiply
    91,889.52x = 137,834.28 × 26,225.52
  4. Step 4: Simplify right side
    91,889.52x = 3,614,775,666.83
  5. Step 5: Solve for x
    x = 3,614,775,666.83/91,889.52
  6. Step 6: Final answer
    x = 39,338.28

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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.