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Finding the Fourth Proportional to 70,532.20, 105,798.30 and 44,266.60

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Solution

The fourth proportional to 70,532.20, 105,798.30 and 44,266.60 is: 66,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532.20 : 105,798.30 = 44,266.60 : x
  2. Step 2: Convert to fraction form
    70,532.20/105,798.30 = 44,266.60/x
  3. Step 3: Cross multiply
    70,532.20x = 105,798.30 × 44,266.60
  4. Step 4: Simplify right side
    70,532.20x = 4,683,331,026.78
  5. Step 5: Solve for x
    x = 4,683,331,026.78/70,532.20
  6. Step 6: Final answer
    x = 66,399.90

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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.