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Finding the Fourth Proportional to 70,531.70, 105,797.55 and 44,266.10

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Solution

The fourth proportional to 70,531.70, 105,797.55 and 44,266.10 is: 66,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.70 : 105,797.55 = 44,266.10 : x
  2. Step 2: Convert to fraction form
    70,531.70/105,797.55 = 44,266.10/x
  3. Step 3: Cross multiply
    70,531.70x = 105,797.55 × 44,266.10
  4. Step 4: Simplify right side
    70,531.70x = 4,683,244,928.06
  5. Step 5: Solve for x
    x = 4,683,244,928.06/70,531.70
  6. Step 6: Final answer
    x = 66,399.15

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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.