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Finding the Fourth Proportional to 216,003.68, 324,002.80 and 73,847.52

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Solution

The fourth proportional to 216,003.68, 324,002.80 and 73,847.52 is: 110,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,003.68 : 324,002.80 = 73,847.52 : x
  2. Step 2: Convert to fraction form
    216,003.68/324,002.80 = 73,847.52/x
  3. Step 3: Cross multiply
    216,003.68x = 324,002.80 × 73,847.52
  4. Step 4: Simplify right side
    216,003.68x = 23,926,803,253.06
  5. Step 5: Solve for x
    x = 23,926,803,253.06/216,003.68
  6. Step 6: Final answer
    x = 110,770.35

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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.