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Finding the Fourth Proportional to 66,093.70, 99,205.35 and 32,851.30

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Solution

The fourth proportional to 66,093.70, 99,205.35 and 32,851.30 is: 49,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.70 : 99,205.35 = 32,851.30 : x
  2. Step 2: Convert to fraction form
    66,093.70/99,205.35 = 32,851.30/x
  3. Step 3: Cross multiply
    66,093.70x = 99,205.35 × 32,851.30
  4. Step 4: Simplify right side
    66,093.70x = 3,259,024,714.46
  5. Step 5: Solve for x
    x = 3,259,024,714.46/66,093.70
  6. Step 6: Final answer
    x = 49,309.16

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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.