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Finding the Fourth Proportional to 101,168.66, 151,783.35 and 47,901.23

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Solution

The fourth proportional to 101,168.66, 151,783.35 and 47,901.23 is: 71,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.66 : 151,783.35 = 47,901.23 : x
  2. Step 2: Convert to fraction form
    101,168.66/151,783.35 = 47,901.23/x
  3. Step 3: Cross multiply
    101,168.66x = 151,783.35 × 47,901.23
  4. Step 4: Simplify right side
    101,168.66x = 7,270,609,158.52
  5. Step 5: Solve for x
    x = 7,270,609,158.52/101,168.66
  6. Step 6: Final answer
    x = 71,866.22

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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.