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Finding the Fourth Proportional to 144,792.57, 199,813.80 and 88,203.94

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Solution

The fourth proportional to 144,792.57, 199,813.80 and 88,203.94 is: 121,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,792.57 : 199,813.80 = 88,203.94 : x
  2. Step 2: Convert to fraction form
    144,792.57/199,813.80 = 88,203.94/x
  3. Step 3: Cross multiply
    144,792.57x = 199,813.80 × 88,203.94
  4. Step 4: Simplify right side
    144,792.57x = 17,624,365,006.90
  5. Step 5: Solve for x
    x = 17,624,365,006.90/144,792.57
  6. Step 6: Final answer
    x = 121,721.48

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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.