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Finding the Fourth Proportional to 82,863.99, 124,199.55 and 47,350.20

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Solution

The fourth proportional to 82,863.99, 124,199.55 and 47,350.20 is: 70,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.99 : 124,199.55 = 47,350.20 : x
  2. Step 2: Convert to fraction form
    82,863.99/124,199.55 = 47,350.20/x
  3. Step 3: Cross multiply
    82,863.99x = 124,199.55 × 47,350.20
  4. Step 4: Simplify right side
    82,863.99x = 5,880,873,532.41
  5. Step 5: Solve for x
    x = 5,880,873,532.41/82,863.99
  6. Step 6: Final answer
    x = 70,970.20

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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.