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Finding the Fourth Proportional to 221,022.84, 331,533.90 and 54,810.84

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Solution

The fourth proportional to 221,022.84, 331,533.90 and 54,810.84 is: 82,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,022.84 : 331,533.90 = 54,810.84 : x
  2. Step 2: Convert to fraction form
    221,022.84/331,533.90 = 54,810.84/x
  3. Step 3: Cross multiply
    221,022.84x = 331,533.90 × 54,810.84
  4. Step 4: Simplify right side
    221,022.84x = 18,171,651,547.48
  5. Step 5: Solve for x
    x = 18,171,651,547.48/221,022.84
  6. Step 6: Final answer
    x = 82,216.17

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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.