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Finding the Fourth Proportional to 146,727.60, 220,107.60 and 46,870.80

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Solution

The fourth proportional to 146,727.60, 220,107.60 and 46,870.80 is: 70,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.60 : 220,107.60 = 46,870.80 : x
  2. Step 2: Convert to fraction form
    146,727.60/220,107.60 = 46,870.80/x
  3. Step 3: Cross multiply
    146,727.60x = 220,107.60 × 46,870.80
  4. Step 4: Simplify right side
    146,727.60x = 10,316,619,298.08
  5. Step 5: Solve for x
    x = 10,316,619,298.08/146,727.60
  6. Step 6: Final answer
    x = 70,311.37

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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.