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Finding the Fourth Proportional to 190,624.82, 285,939.27 and 57,506.23

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Solution

The fourth proportional to 190,624.82, 285,939.27 and 57,506.23 is: 86,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,624.82 : 285,939.27 = 57,506.23 : x
  2. Step 2: Convert to fraction form
    190,624.82/285,939.27 = 57,506.23/x
  3. Step 3: Cross multiply
    190,624.82x = 285,939.27 × 57,506.23
  4. Step 4: Simplify right side
    190,624.82x = 16,443,287,996.96
  5. Step 5: Solve for x
    x = 16,443,287,996.96/190,624.82
  6. Step 6: Final answer
    x = 86,259.96

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1.5x scale

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.