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Finding the Fourth Proportional to 97,653.60, 146,485.20 and 50,997.60

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Solution

The fourth proportional to 97,653.60, 146,485.20 and 50,997.60 is: 76,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,653.60 : 146,485.20 = 50,997.60 : x
  2. Step 2: Convert to fraction form
    97,653.60/146,485.20 = 50,997.60/x
  3. Step 3: Cross multiply
    97,653.60x = 146,485.20 × 50,997.60
  4. Step 4: Simplify right side
    97,653.60x = 7,470,393,635.52
  5. Step 5: Solve for x
    x = 7,470,393,635.52/97,653.60
  6. Step 6: Final answer
    x = 76,498.91

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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.