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Finding the Fourth Proportional to 220,675.10, 330,753.43 and 102,095.98

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Solution

The fourth proportional to 220,675.10, 330,753.43 and 102,095.98 is: 153,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,675.10 : 330,753.43 = 102,095.98 : x
  2. Step 2: Convert to fraction form
    220,675.10/330,753.43 = 102,095.98/x
  3. Step 3: Cross multiply
    220,675.10x = 330,753.43 × 102,095.98
  4. Step 4: Simplify right side
    220,675.10x = 33,768,595,574.21
  5. Step 5: Solve for x
    x = 33,768,595,574.21/220,675.10
  6. Step 6: Final answer
    x = 153,024.04

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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.