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Finding the Fourth Proportional to 84,022.02, 126,051.72 and 36,644.77

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Solution

The fourth proportional to 84,022.02, 126,051.72 and 36,644.77 is: 54,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.02 : 126,051.72 = 36,644.77 : x
  2. Step 2: Convert to fraction form
    84,022.02/126,051.72 = 36,644.77/x
  3. Step 3: Cross multiply
    84,022.02x = 126,051.72 × 36,644.77
  4. Step 4: Simplify right side
    84,022.02x = 4,619,136,307.65
  5. Step 5: Solve for x
    x = 4,619,136,307.65/84,022.02
  6. Step 6: Final answer
    x = 54,975.31

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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.