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Finding the Fourth Proportional to 201,703.54, 302,458.83 and 117,487.72

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Solution

The fourth proportional to 201,703.54, 302,458.83 and 117,487.72 is: 176,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.54 : 302,458.83 = 117,487.72 : x
  2. Step 2: Convert to fraction form
    201,703.54/302,458.83 = 117,487.72/x
  3. Step 3: Cross multiply
    201,703.54x = 302,458.83 × 117,487.72
  4. Step 4: Simplify right side
    201,703.54x = 35,535,197,558.03
  5. Step 5: Solve for x
    x = 35,535,197,558.03/201,703.54
  6. Step 6: Final answer
    x = 176,175.38

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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.