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Finding the Fourth Proportional to 146,607.60, 219,911.40 and 133,485.60

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Solution

The fourth proportional to 146,607.60, 219,911.40 and 133,485.60 is: 200,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,607.60 : 219,911.40 = 133,485.60 : x
  2. Step 2: Convert to fraction form
    146,607.60/219,911.40 = 133,485.60/x
  3. Step 3: Cross multiply
    146,607.60x = 219,911.40 × 133,485.60
  4. Step 4: Simplify right side
    146,607.60x = 29,355,005,175.84
  5. Step 5: Solve for x
    x = 29,355,005,175.84/146,607.60
  6. Step 6: Final answer
    x = 200,228.40

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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.