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Finding the Fourth Proportional to 98,383.50, 147,600.16 and 28,262.81

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Solution

The fourth proportional to 98,383.50, 147,600.16 and 28,262.81 is: 42,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,383.50 : 147,600.16 = 28,262.81 : x
  2. Step 2: Convert to fraction form
    98,383.50/147,600.16 = 28,262.81/x
  3. Step 3: Cross multiply
    98,383.50x = 147,600.16 × 28,262.81
  4. Step 4: Simplify right side
    98,383.50x = 4,171,595,576.39
  5. Step 5: Solve for x
    x = 4,171,595,576.39/98,383.50
  6. Step 6: Final answer
    x = 42,401.37

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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.