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Finding the Fourth Proportional to 109,265.40, 163,922.76 and 33,370.74

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Solution

The fourth proportional to 109,265.40, 163,922.76 and 33,370.74 is: 50,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,265.40 : 163,922.76 = 33,370.74 : x
  2. Step 2: Convert to fraction form
    109,265.40/163,922.76 = 33,370.74/x
  3. Step 3: Cross multiply
    109,265.40x = 163,922.76 × 33,370.74
  4. Step 4: Simplify right side
    109,265.40x = 5,470,223,804.04
  5. Step 5: Solve for x
    x = 5,470,223,804.04/109,265.40
  6. Step 6: Final answer
    x = 50,063.64

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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.