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Finding the Fourth Proportional to 144,791.63, 199,812.51 and 88,203.00

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Solution

The fourth proportional to 144,791.63, 199,812.51 and 88,203.00 is: 121,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,791.63 : 199,812.51 = 88,203.00 : x
  2. Step 2: Convert to fraction form
    144,791.63/199,812.51 = 88,203.00/x
  3. Step 3: Cross multiply
    144,791.63x = 199,812.51 × 88,203.00
  4. Step 4: Simplify right side
    144,791.63x = 17,624,063,568.83
  5. Step 5: Solve for x
    x = 17,624,063,568.83/144,791.63
  6. Step 6: Final answer
    x = 121,720.18

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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.