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Finding the Fourth Proportional to 53,505,802.80, 80,258,704.20 and 38,501,233.20

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Solution

The fourth proportional to 53,505,802.80, 80,258,704.20 and 38,501,233.20 is: 57,751,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505,802.80 : 80,258,704.20 = 38,501,233.20 : x
  2. Step 2: Convert to fraction form
    53,505,802.80/80,258,704.20 = 38,501,233.20/x
  3. Step 3: Cross multiply
    53,505,802.80x = 80,258,704.20 × 38,501,233.20
  4. Step 4: Simplify right side
    53,505,802.80x = 3,090,059,086,734,020
  5. Step 5: Solve for x
    x = 3,090,059,086,734,020/53,505,802.80
  6. Step 6: Final answer
    x = 57,751,849.80

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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.