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Finding the Fourth Proportional to 146,732.70, 220,016.36 and 46,869.42

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Solution

The fourth proportional to 146,732.70, 220,016.36 and 46,869.42 is: 70,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,732.70 : 220,016.36 = 46,869.42 : x
  2. Step 2: Convert to fraction form
    146,732.70/220,016.36 = 46,869.42/x
  3. Step 3: Cross multiply
    146,732.70x = 220,016.36 × 46,869.42
  4. Step 4: Simplify right side
    146,732.70x = 10,312,039,183.71
  5. Step 5: Solve for x
    x = 10,312,039,183.71/146,732.70
  6. Step 6: Final answer
    x = 70,277.72

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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.