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Finding the Fourth Proportional to 220,281.94, 330,086.45 and 163,849.10

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Solution

The fourth proportional to 220,281.94, 330,086.45 and 163,849.10 is: 245,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,281.94 : 330,086.45 = 163,849.10 : x
  2. Step 2: Convert to fraction form
    220,281.94/330,086.45 = 163,849.10/x
  3. Step 3: Cross multiply
    220,281.94x = 330,086.45 × 163,849.10
  4. Step 4: Simplify right side
    220,281.94x = 54,084,368,989.53
  5. Step 5: Solve for x
    x = 54,084,368,989.53/220,281.94
  6. Step 6: Final answer
    x = 245,523.39

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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.