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Finding the Fourth Proportional to 146,599.80, 219,899.70 and 48,103.80

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Solution

The fourth proportional to 146,599.80, 219,899.70 and 48,103.80 is: 72,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,599.80 : 219,899.70 = 48,103.80 : x
  2. Step 2: Convert to fraction form
    146,599.80/219,899.70 = 48,103.80/x
  3. Step 3: Cross multiply
    146,599.80x = 219,899.70 × 48,103.80
  4. Step 4: Simplify right side
    146,599.80x = 10,578,011,188.86
  5. Step 5: Solve for x
    x = 10,578,011,188.86/146,599.80
  6. Step 6: Final answer
    x = 72,155.70

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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.