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Finding the Fourth Proportional to 146,704.60, 220,013.70 and 57,928.60

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Solution

The fourth proportional to 146,704.60, 220,013.70 and 57,928.60 is: 86,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,704.60 : 220,013.70 = 57,928.60 : x
  2. Step 2: Convert to fraction form
    146,704.60/220,013.70 = 57,928.60/x
  3. Step 3: Cross multiply
    146,704.60x = 220,013.70 × 57,928.60
  4. Step 4: Simplify right side
    146,704.60x = 12,745,085,621.82
  5. Step 5: Solve for x
    x = 12,745,085,621.82/146,704.60
  6. Step 6: Final answer
    x = 86,875.84

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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.