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Finding the Fourth Proportional to 135,662.40, 203,493.60 and 61,934.40

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Solution

The fourth proportional to 135,662.40, 203,493.60 and 61,934.40 is: 92,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,662.40 : 203,493.60 = 61,934.40 : x
  2. Step 2: Convert to fraction form
    135,662.40/203,493.60 = 61,934.40/x
  3. Step 3: Cross multiply
    135,662.40x = 203,493.60 × 61,934.40
  4. Step 4: Simplify right side
    135,662.40x = 12,603,254,019.84
  5. Step 5: Solve for x
    x = 12,603,254,019.84/135,662.40
  6. Step 6: Final answer
    x = 92,901.60

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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.