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Finding the Fourth Proportional to 160,976.40, 241,464.38 and 61,136.40

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Solution

The fourth proportional to 160,976.40, 241,464.38 and 61,136.40 is: 91,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,976.40 : 241,464.38 = 61,136.40 : x
  2. Step 2: Convert to fraction form
    160,976.40/241,464.38 = 61,136.40/x
  3. Step 3: Cross multiply
    160,976.40x = 241,464.38 × 61,136.40
  4. Step 4: Simplify right side
    160,976.40x = 14,762,263,521.24
  5. Step 5: Solve for x
    x = 14,762,263,521.24/160,976.40
  6. Step 6: Final answer
    x = 91,704.52

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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.