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Finding the Fourth Proportional to 147,173.63, 220,760.46 and 47,331.63

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Solution

The fourth proportional to 147,173.63, 220,760.46 and 47,331.63 is: 70,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,173.63 : 220,760.46 = 47,331.63 : x
  2. Step 2: Convert to fraction form
    147,173.63/220,760.46 = 47,331.63/x
  3. Step 3: Cross multiply
    147,173.63x = 220,760.46 × 47,331.63
  4. Step 4: Simplify right side
    147,173.63x = 10,448,952,411.35
  5. Step 5: Solve for x
    x = 10,448,952,411.35/147,173.63
  6. Step 6: Final answer
    x = 70,997.45

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Similar ratio
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1.5x scale

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.