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Finding the Fourth Proportional to 119,511.82, 164,925.41 and 65,797.75

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Solution

The fourth proportional to 119,511.82, 164,925.41 and 65,797.75 is: 90,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,511.82 : 164,925.41 = 65,797.75 : x
  2. Step 2: Convert to fraction form
    119,511.82/164,925.41 = 65,797.75/x
  3. Step 3: Cross multiply
    119,511.82x = 164,925.41 × 65,797.75
  4. Step 4: Simplify right side
    119,511.82x = 10,851,720,895.83
  5. Step 5: Solve for x
    x = 10,851,720,895.83/119,511.82
  6. Step 6: Final answer
    x = 90,800.40

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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.