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Finding the Fourth Proportional to 119,594.76, 165,039.96 and 65,878.52

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Solution

The fourth proportional to 119,594.76, 165,039.96 and 65,878.52 is: 90,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,594.76 : 165,039.96 = 65,878.52 : x
  2. Step 2: Convert to fraction form
    119,594.76/165,039.96 = 65,878.52/x
  3. Step 3: Cross multiply
    119,594.76x = 165,039.96 × 65,878.52
  4. Step 4: Simplify right side
    119,594.76x = 10,872,588,305.66
  5. Step 5: Solve for x
    x = 10,872,588,305.66/119,594.76
  6. Step 6: Final answer
    x = 90,911.91

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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.