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Finding the Fourth Proportional to 372,507.65, 558,766.82 and 106,268.18

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Solution

The fourth proportional to 372,507.65, 558,766.82 and 106,268.18 is: 159,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,507.65 : 558,766.82 = 106,268.18 : x
  2. Step 2: Convert to fraction form
    372,507.65/558,766.82 = 106,268.18/x
  3. Step 3: Cross multiply
    372,507.65x = 558,766.82 × 106,268.18
  4. Step 4: Simplify right side
    372,507.65x = 59,379,133,871.36
  5. Step 5: Solve for x
    x = 59,379,133,871.36/372,507.65
  6. Step 6: Final answer
    x = 159,403.80

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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.