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Finding the Fourth Proportional to 146,661.96, 219,930.90 and 62,418.72

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Solution

The fourth proportional to 146,661.96, 219,930.90 and 62,418.72 is: 93,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,661.96 : 219,930.90 = 62,418.72 : x
  2. Step 2: Convert to fraction form
    146,661.96/219,930.90 = 62,418.72/x
  3. Step 3: Cross multiply
    146,661.96x = 219,930.90 × 62,418.72
  4. Step 4: Simplify right side
    146,661.96x = 13,727,805,266.45
  5. Step 5: Solve for x
    x = 13,727,805,266.45/146,661.96
  6. Step 6: Final answer
    x = 93,601.68

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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.