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Finding the Fourth Proportional to 109,704.60, 151,392.24 and 59,403.60

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Solution

The fourth proportional to 109,704.60, 151,392.24 and 59,403.60 is: 81,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,704.60 : 151,392.24 = 59,403.60 : x
  2. Step 2: Convert to fraction form
    109,704.60/151,392.24 = 59,403.60/x
  3. Step 3: Cross multiply
    109,704.60x = 151,392.24 × 59,403.60
  4. Step 4: Simplify right side
    109,704.60x = 8,993,244,068.06
  5. Step 5: Solve for x
    x = 8,993,244,068.06/109,704.60
  6. Step 6: Final answer
    x = 81,976.91

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1.5x scale

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.