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Finding the Fourth Proportional to 135,950.52, 187,641.74 and 75,541.94

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Solution

The fourth proportional to 135,950.52, 187,641.74 and 75,541.94 is: 104,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,950.52 : 187,641.74 = 75,541.94 : x
  2. Step 2: Convert to fraction form
    135,950.52/187,641.74 = 75,541.94/x
  3. Step 3: Cross multiply
    135,950.52x = 187,641.74 × 75,541.94
  4. Step 4: Simplify right side
    135,950.52x = 14,174,821,064.58
  5. Step 5: Solve for x
    x = 14,174,821,064.58/135,950.52
  6. Step 6: Final answer
    x = 104,264.56

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Why These Related Problems?

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