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Finding the Fourth Proportional to 181,996.60, 272,994.90 and 162,969.70

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Solution

The fourth proportional to 181,996.60, 272,994.90 and 162,969.70 is: 244,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,996.60 : 272,994.90 = 162,969.70 : x
  2. Step 2: Convert to fraction form
    181,996.60/272,994.90 = 162,969.70/x
  3. Step 3: Cross multiply
    181,996.60x = 272,994.90 × 162,969.70
  4. Step 4: Simplify right side
    181,996.60x = 44,489,896,954.53
  5. Step 5: Solve for x
    x = 44,489,896,954.53/181,996.60
  6. Step 6: Final answer
    x = 244,454.55

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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.