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Finding the Fourth Proportional to 181,315.40, 271,908.30 and 62,990.60

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Solution

The fourth proportional to 181,315.40, 271,908.30 and 62,990.60 is: 94,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,315.40 : 271,908.30 = 62,990.60 : x
  2. Step 2: Convert to fraction form
    181,315.40/271,908.30 = 62,990.60/x
  3. Step 3: Cross multiply
    181,315.40x = 271,908.30 × 62,990.60
  4. Step 4: Simplify right side
    181,315.40x = 17,127,666,961.98
  5. Step 5: Solve for x
    x = 17,127,666,961.98/181,315.40
  6. Step 6: Final answer
    x = 94,463.39

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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.