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Finding the Fourth Proportional to 437,632.64, 656,559.66 and 122,089.31

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Solution

The fourth proportional to 437,632.64, 656,559.66 and 122,089.31 is: 183,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,632.64 : 656,559.66 = 122,089.31 : x
  2. Step 2: Convert to fraction form
    437,632.64/656,559.66 = 122,089.31/x
  3. Step 3: Cross multiply
    437,632.64x = 656,559.66 × 122,089.31
  4. Step 4: Simplify right side
    437,632.64x = 80,158,915,863.23
  5. Step 5: Solve for x
    x = 80,158,915,863.23/437,632.64
  6. Step 6: Final answer
    x = 183,164.85

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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.