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Finding the Fourth Proportional to 163,675, 225,871.74 and 96,607

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Solution

The fourth proportional to 163,675, 225,871.74 and 96,607 is: 133,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,675 : 225,871.74 = 96,607 : x
  2. Step 2: Convert to fraction form
    163,675/225,871.74 = 96,607/x
  3. Step 3: Cross multiply
    163,675x = 225,871.74 × 96,607
  4. Step 4: Simplify right side
    163,675x = 21,820,791,186.18
  5. Step 5: Solve for x
    x = 21,820,791,186.18/163,675
  6. Step 6: Final answer
    x = 133,317.80

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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.