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Finding the Fourth Proportional to 109,107.60, 163,661.40 and 35,235.60

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Solution

The fourth proportional to 109,107.60, 163,661.40 and 35,235.60 is: 52,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,107.60 : 163,661.40 = 35,235.60 : x
  2. Step 2: Convert to fraction form
    109,107.60/163,661.40 = 35,235.60/x
  3. Step 3: Cross multiply
    109,107.60x = 163,661.40 × 35,235.60
  4. Step 4: Simplify right side
    109,107.60x = 5,766,707,625.84
  5. Step 5: Solve for x
    x = 5,766,707,625.84/109,107.60
  6. Step 6: Final answer
    x = 52,853.40

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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.