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Finding the Fourth Proportional to 150,003, 207,000.12 and 88,752.36

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Solution

The fourth proportional to 150,003, 207,000.12 and 88,752.36 is: 122,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003 : 207,000.12 = 88,752.36 : x
  2. Step 2: Convert to fraction form
    150,003/207,000.12 = 88,752.36/x
  3. Step 3: Cross multiply
    150,003x = 207,000.12 × 88,752.36
  4. Step 4: Simplify right side
    150,003x = 18,371,749,170.28
  5. Step 5: Solve for x
    x = 18,371,749,170.28/150,003
  6. Step 6: Final answer
    x = 122,475.88

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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.