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Finding the Fourth Proportional to 158,502.94, 218,756.43 and 98,093.04

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Solution

The fourth proportional to 158,502.94, 218,756.43 and 98,093.04 is: 135,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.94 : 218,756.43 = 98,093.04 : x
  2. Step 2: Convert to fraction form
    158,502.94/218,756.43 = 98,093.04/x
  3. Step 3: Cross multiply
    158,502.94x = 218,756.43 × 98,093.04
  4. Step 4: Simplify right side
    158,502.94x = 21,458,483,238.25
  5. Step 5: Solve for x
    x = 21,458,483,238.25/158,502.94
  6. Step 6: Final answer
    x = 135,382.24

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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.