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Finding the Fourth Proportional to 163,157.03, 225,227.36 and 152,943.47

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Solution

The fourth proportional to 163,157.03, 225,227.36 and 152,943.47 is: 211,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,157.03 : 225,227.36 = 152,943.47 : x
  2. Step 2: Convert to fraction form
    163,157.03/225,227.36 = 152,943.47/x
  3. Step 3: Cross multiply
    163,157.03x = 225,227.36 × 152,943.47
  4. Step 4: Simplify right side
    163,157.03x = 34,447,053,977.34
  5. Step 5: Solve for x
    x = 34,447,053,977.34/163,157.03
  6. Step 6: Final answer
    x = 211,128.22

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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.