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Finding the Fourth Proportional to 157,593.44, 217,478.94 and 101,004.81

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Solution

The fourth proportional to 157,593.44, 217,478.94 and 101,004.81 is: 139,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,593.44 : 217,478.94 = 101,004.81 : x
  2. Step 2: Convert to fraction form
    157,593.44/217,478.94 = 101,004.81/x
  3. Step 3: Cross multiply
    157,593.44x = 217,478.94 × 101,004.81
  4. Step 4: Simplify right side
    157,593.44x = 21,966,419,936.17
  5. Step 5: Solve for x
    x = 21,966,419,936.17/157,593.44
  6. Step 6: Final answer
    x = 139,386.64

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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.