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Finding the Fourth Proportional to 100,637.16, 150,973.97 and 41,440.56

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Solution

The fourth proportional to 100,637.16, 150,973.97 and 41,440.56 is: 62,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,637.16 : 150,973.97 = 41,440.56 : x
  2. Step 2: Convert to fraction form
    100,637.16/150,973.97 = 41,440.56/x
  3. Step 3: Cross multiply
    100,637.16x = 150,973.97 × 41,440.56
  4. Step 4: Simplify right side
    100,637.16x = 6,256,445,655.02
  5. Step 5: Solve for x
    x = 6,256,445,655.02/100,637.16
  6. Step 6: Final answer
    x = 62,168.34

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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.