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Finding the Fourth Proportional to 73,106.60, 109,659.90 and 26,364.20

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Solution

The fourth proportional to 73,106.60, 109,659.90 and 26,364.20 is: 39,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,106.60 : 109,659.90 = 26,364.20 : x
  2. Step 2: Convert to fraction form
    73,106.60/109,659.90 = 26,364.20/x
  3. Step 3: Cross multiply
    73,106.60x = 109,659.90 × 26,364.20
  4. Step 4: Simplify right side
    73,106.60x = 2,891,095,535.58
  5. Step 5: Solve for x
    x = 2,891,095,535.58/73,106.60
  6. Step 6: Final answer
    x = 39,546.30

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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.