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Finding the Fourth Proportional to 285,493.52, 427,900.08 and 117,007.04

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Solution

The fourth proportional to 285,493.52, 427,900.08 and 117,007.04 is: 175,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,493.52 : 427,900.08 = 117,007.04 : x
  2. Step 2: Convert to fraction form
    285,493.52/427,900.08 = 117,007.04/x
  3. Step 3: Cross multiply
    285,493.52x = 427,900.08 × 117,007.04
  4. Step 4: Simplify right side
    285,493.52x = 50,067,321,776.56
  5. Step 5: Solve for x
    x = 50,067,321,776.56/285,493.52
  6. Step 6: Final answer
    x = 175,371.13

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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.