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Finding the Fourth Proportional to 96,950.88, 133,804.17 and 54,508.50

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Solution

The fourth proportional to 96,950.88, 133,804.17 and 54,508.50 is: 75,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,950.88 : 133,804.17 = 54,508.50 : x
  2. Step 2: Convert to fraction form
    96,950.88/133,804.17 = 54,508.50/x
  3. Step 3: Cross multiply
    96,950.88x = 133,804.17 × 54,508.50
  4. Step 4: Simplify right side
    96,950.88x = 7,293,464,600.45
  5. Step 5: Solve for x
    x = 7,293,464,600.45/96,950.88
  6. Step 6: Final answer
    x = 75,228.45

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1.5x scale

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.