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Finding the Fourth Proportional to 134,408.40, 201,418.20 and 59,467.20

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Solution

The fourth proportional to 134,408.40, 201,418.20 and 59,467.20 is: 89,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,408.40 : 201,418.20 = 59,467.20 : x
  2. Step 2: Convert to fraction form
    134,408.40/201,418.20 = 59,467.20/x
  3. Step 3: Cross multiply
    134,408.40x = 201,418.20 × 59,467.20
  4. Step 4: Simplify right side
    134,408.40x = 11,977,776,383.04
  5. Step 5: Solve for x
    x = 11,977,776,383.04/134,408.40
  6. Step 6: Final answer
    x = 89,114.79

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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.