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Finding the Fourth Proportional to 187,057.80, 280,586.70 and 46,816.20

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Solution

The fourth proportional to 187,057.80, 280,586.70 and 46,816.20 is: 70,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,057.80 : 280,586.70 = 46,816.20 : x
  2. Step 2: Convert to fraction form
    187,057.80/280,586.70 = 46,816.20/x
  3. Step 3: Cross multiply
    187,057.80x = 280,586.70 × 46,816.20
  4. Step 4: Simplify right side
    187,057.80x = 13,136,003,064.54
  5. Step 5: Solve for x
    x = 13,136,003,064.54/187,057.80
  6. Step 6: Final answer
    x = 70,224.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.