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Finding the Fourth Proportional to 177,700.81, 245,226.77 and 101,219.88

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Solution

The fourth proportional to 177,700.81, 245,226.77 and 101,219.88 is: 139,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,700.81 : 245,226.77 = 101,219.88 : x
  2. Step 2: Convert to fraction form
    177,700.81/245,226.77 = 101,219.88/x
  3. Step 3: Cross multiply
    177,700.81x = 245,226.77 × 101,219.88
  4. Step 4: Simplify right side
    177,700.81x = 24,821,823,361.18
  5. Step 5: Solve for x
    x = 24,821,823,361.18/177,700.81
  6. Step 6: Final answer
    x = 139,683.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.