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Finding the Fourth Proportional to 362,016.65, 543,085.82 and 151,670.81

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Solution

The fourth proportional to 362,016.65, 543,085.82 and 151,670.81 is: 227,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,016.65 : 543,085.82 = 151,670.81 : x
  2. Step 2: Convert to fraction form
    362,016.65/543,085.82 = 151,670.81/x
  3. Step 3: Cross multiply
    362,016.65x = 543,085.82 × 151,670.81
  4. Step 4: Simplify right side
    362,016.65x = 82,370,266,218.91
  5. Step 5: Solve for x
    x = 82,370,266,218.91/362,016.65
  6. Step 6: Final answer
    x = 227,531.71

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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.