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Finding the Fourth Proportional to 109,806.44, 151,532.88 and 59,505.44

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Solution

The fourth proportional to 109,806.44, 151,532.88 and 59,505.44 is: 82,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,806.44 : 151,532.88 = 59,505.44 : x
  2. Step 2: Convert to fraction form
    109,806.44/151,532.88 = 59,505.44/x
  3. Step 3: Cross multiply
    109,806.44x = 151,532.88 × 59,505.44
  4. Step 4: Simplify right side
    109,806.44x = 9,017,030,698.87
  5. Step 5: Solve for x
    x = 9,017,030,698.87/109,806.44
  6. Step 6: Final answer
    x = 82,117.50

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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.