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Finding the Fourth Proportional to 202,290.51, 303,495.99 and 89,955.27

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Solution

The fourth proportional to 202,290.51, 303,495.99 and 89,955.27 is: 134,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,290.51 : 303,495.99 = 89,955.27 : x
  2. Step 2: Convert to fraction form
    202,290.51/303,495.99 = 89,955.27/x
  3. Step 3: Cross multiply
    202,290.51x = 303,495.99 × 89,955.27
  4. Step 4: Simplify right side
    202,290.51x = 27,301,063,724.37
  5. Step 5: Solve for x
    x = 27,301,063,724.37/202,290.51
  6. Step 6: Final answer
    x = 134,959.69

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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.