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Finding the Fourth Proportional to 353,768.08, 530,686.08 and 101,057.68

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Solution

The fourth proportional to 353,768.08, 530,686.08 and 101,057.68 is: 151,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,768.08 : 530,686.08 = 101,057.68 : x
  2. Step 2: Convert to fraction form
    353,768.08/530,686.08 = 101,057.68/x
  3. Step 3: Cross multiply
    353,768.08x = 530,686.08 × 101,057.68
  4. Step 4: Simplify right side
    353,768.08x = 53,629,904,053.09
  5. Step 5: Solve for x
    x = 53,629,904,053.09/353,768.08
  6. Step 6: Final answer
    x = 151,596.22

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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.