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Finding the Fourth Proportional to 70,786.81, 106,180.10 and 48,532.72

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Solution

The fourth proportional to 70,786.81, 106,180.10 and 48,532.72 is: 72,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,786.81 : 106,180.10 = 48,532.72 : x
  2. Step 2: Convert to fraction form
    70,786.81/106,180.10 = 48,532.72/x
  3. Step 3: Cross multiply
    70,786.81x = 106,180.10 × 48,532.72
  4. Step 4: Simplify right side
    70,786.81x = 5,153,208,918.75
  5. Step 5: Solve for x
    x = 5,153,208,918.75/70,786.81
  6. Step 6: Final answer
    x = 72,799.00

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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.