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Finding the Fourth Proportional to 150,060.48, 207,090.88 and 86,408.32

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Solution

The fourth proportional to 150,060.48, 207,090.88 and 86,408.32 is: 119,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,060.48 : 207,090.88 = 86,408.32 : x
  2. Step 2: Convert to fraction form
    150,060.48/207,090.88 = 86,408.32/x
  3. Step 3: Cross multiply
    150,060.48x = 207,090.88 × 86,408.32
  4. Step 4: Simplify right side
    150,060.48x = 17,894,375,028.12
  5. Step 5: Solve for x
    x = 17,894,375,028.12/150,060.48
  6. Step 6: Final answer
    x = 119,247.75

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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.