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Finding the Fourth Proportional to 60,758.40, 91,137.60 and 60,758.40

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Solution

The fourth proportional to 60,758.40, 91,137.60 and 60,758.40 is: 91,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.40 : 91,137.60 = 60,758.40 : x
  2. Step 2: Convert to fraction form
    60,758.40/91,137.60 = 60,758.40/x
  3. Step 3: Cross multiply
    60,758.40x = 91,137.60 × 60,758.40
  4. Step 4: Simplify right side
    60,758.40x = 5,537,374,755.84
  5. Step 5: Solve for x
    x = 5,537,374,755.84/60,758.40
  6. Step 6: Final answer
    x = 91,137.60

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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.