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Finding the Fourth Proportional to 202,788.72, 304,225.81 and 60,645.06

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Solution

The fourth proportional to 202,788.72, 304,225.81 and 60,645.06 is: 90,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,788.72 : 304,225.81 = 60,645.06 : x
  2. Step 2: Convert to fraction form
    202,788.72/304,225.81 = 60,645.06/x
  3. Step 3: Cross multiply
    202,788.72x = 304,225.81 × 60,645.06
  4. Step 4: Simplify right side
    202,788.72x = 18,449,792,349.39
  5. Step 5: Solve for x
    x = 18,449,792,349.39/202,788.72
  6. Step 6: Final answer
    x = 90,980.37

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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.