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Finding the Fourth Proportional to 188,550.40, 282,917.76 and 88,720.51

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Solution

The fourth proportional to 188,550.40, 282,917.76 and 88,720.51 is: 133,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.40 : 282,917.76 = 88,720.51 : x
  2. Step 2: Convert to fraction form
    188,550.40/282,917.76 = 88,720.51/x
  3. Step 3: Cross multiply
    188,550.40x = 282,917.76 × 88,720.51
  4. Step 4: Simplify right side
    188,550.40x = 25,100,607,955.26
  5. Step 5: Solve for x
    x = 25,100,607,955.26/188,550.40
  6. Step 6: Final answer
    x = 133,124.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.