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Finding the Fourth Proportional to 159,175.01, 238,628.25 and 69,149.58

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Solution

The fourth proportional to 159,175.01, 238,628.25 and 69,149.58 is: 103,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,175.01 : 238,628.25 = 69,149.58 : x
  2. Step 2: Convert to fraction form
    159,175.01/238,628.25 = 69,149.58/x
  3. Step 3: Cross multiply
    159,175.01x = 238,628.25 × 69,149.58
  4. Step 4: Simplify right side
    159,175.01x = 16,501,043,263.64
  5. Step 5: Solve for x
    x = 16,501,043,263.64/159,175.01
  6. Step 6: Final answer
    x = 103,666.05

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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.