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Finding the Fourth Proportional to 109,083.44, 163,606.88 and 30,205.60

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Solution

The fourth proportional to 109,083.44, 163,606.88 and 30,205.60 is: 45,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,083.44 : 163,606.88 = 30,205.60 : x
  2. Step 2: Convert to fraction form
    109,083.44/163,606.88 = 30,205.60/x
  3. Step 3: Cross multiply
    109,083.44x = 163,606.88 × 30,205.60
  4. Step 4: Simplify right side
    109,083.44x = 4,941,843,974.53
  5. Step 5: Solve for x
    x = 4,941,843,974.53/109,083.44
  6. Step 6: Final answer
    x = 45,303.34

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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.