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Finding the Fourth Proportional to 119,773.94, 165,295.59 and 68,802.62

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Solution

The fourth proportional to 119,773.94, 165,295.59 and 68,802.62 is: 94,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,773.94 : 165,295.59 = 68,802.62 : x
  2. Step 2: Convert to fraction form
    119,773.94/165,295.59 = 68,802.62/x
  3. Step 3: Cross multiply
    119,773.94x = 165,295.59 × 68,802.62
  4. Step 4: Simplify right side
    119,773.94x = 11,372,769,666.45
  5. Step 5: Solve for x
    x = 11,372,769,666.45/119,773.94
  6. Step 6: Final answer
    x = 94,951.95

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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.