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Finding the Fourth Proportional to 100,482.44, 150,718.90 and 37,315.12

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Solution

The fourth proportional to 100,482.44, 150,718.90 and 37,315.12 is: 55,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,482.44 : 150,718.90 = 37,315.12 : x
  2. Step 2: Convert to fraction form
    100,482.44/150,718.90 = 37,315.12/x
  3. Step 3: Cross multiply
    100,482.44x = 150,718.90 × 37,315.12
  4. Step 4: Simplify right side
    100,482.44x = 5,624,093,839.77
  5. Step 5: Solve for x
    x = 5,624,093,839.77/100,482.44
  6. Step 6: Final answer
    x = 55,970.91

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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.