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Finding the Fourth Proportional to 134,004.84, 201,011.70 and 67,408.68

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Solution

The fourth proportional to 134,004.84, 201,011.70 and 67,408.68 is: 101,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,004.84 : 201,011.70 = 67,408.68 : x
  2. Step 2: Convert to fraction form
    134,004.84/201,011.70 = 67,408.68/x
  3. Step 3: Cross multiply
    134,004.84x = 201,011.70 × 67,408.68
  4. Step 4: Simplify right side
    134,004.84x = 13,549,933,361.56
  5. Step 5: Solve for x
    x = 13,549,933,361.56/134,004.84
  6. Step 6: Final answer
    x = 101,115.25

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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.