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Finding the Fourth Proportional to 82,998.99, 124,529.94 and 49,742.92

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Solution

The fourth proportional to 82,998.99, 124,529.94 and 49,742.92 is: 74,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998.99 : 124,529.94 = 49,742.92 : x
  2. Step 2: Convert to fraction form
    82,998.99/124,529.94 = 49,742.92/x
  3. Step 3: Cross multiply
    82,998.99x = 124,529.94 × 49,742.92
  4. Step 4: Simplify right side
    82,998.99x = 6,194,482,843.02
  5. Step 5: Solve for x
    x = 6,194,482,843.02/82,998.99
  6. Step 6: Final answer
    x = 74,633.23

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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.