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Finding the Fourth Proportional to 73,102.10, 109,618.58 and 33,647.54

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Solution

The fourth proportional to 73,102.10, 109,618.58 and 33,647.54 is: 50,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.10 : 109,618.58 = 33,647.54 : x
  2. Step 2: Convert to fraction form
    73,102.10/109,618.58 = 33,647.54/x
  3. Step 3: Cross multiply
    73,102.10x = 109,618.58 × 33,647.54
  4. Step 4: Simplify right side
    73,102.10x = 3,688,395,555.29
  5. Step 5: Solve for x
    x = 3,688,395,555.29/73,102.10
  6. Step 6: Final answer
    x = 50,455.40

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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.