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Finding the Fourth Proportional to 172,114.70, 237,450.22 and 99,504.21

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Solution

The fourth proportional to 172,114.70, 237,450.22 and 99,504.21 is: 137,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,114.70 : 237,450.22 = 99,504.21 : x
  2. Step 2: Convert to fraction form
    172,114.70/237,450.22 = 99,504.21/x
  3. Step 3: Cross multiply
    172,114.70x = 237,450.22 × 99,504.21
  4. Step 4: Simplify right side
    172,114.70x = 23,627,296,615.14
  5. Step 5: Solve for x
    x = 23,627,296,615.14/172,114.70
  6. Step 6: Final answer
    x = 137,276.46

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1.5x scale

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.