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Finding the Fourth Proportional to 157,741.62, 217,602.41 and 104,007.03

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Solution

The fourth proportional to 157,741.62, 217,602.41 and 104,007.03 is: 143,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,741.62 : 217,602.41 = 104,007.03 : x
  2. Step 2: Convert to fraction form
    157,741.62/217,602.41 = 104,007.03/x
  3. Step 3: Cross multiply
    157,741.62x = 217,602.41 × 104,007.03
  4. Step 4: Simplify right side
    157,741.62x = 22,632,180,384.94
  5. Step 5: Solve for x
    x = 22,632,180,384.94/157,741.62
  6. Step 6: Final answer
    x = 143,476.28

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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.