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Finding the Fourth Proportional to 100,183.76, 150,330.98 and 55,835.51

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Solution

The fourth proportional to 100,183.76, 150,330.98 and 55,835.51 is: 83,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,183.76 : 150,330.98 = 55,835.51 : x
  2. Step 2: Convert to fraction form
    100,183.76/150,330.98 = 55,835.51/x
  3. Step 3: Cross multiply
    100,183.76x = 150,330.98 × 55,835.51
  4. Step 4: Simplify right side
    100,183.76x = 8,393,806,937.10
  5. Step 5: Solve for x
    x = 8,393,806,937.10/100,183.76
  6. Step 6: Final answer
    x = 83,784.11

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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.