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Finding the Fourth Proportional to 82,848.70, 124,273.05 and 32,912.20

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Solution

The fourth proportional to 82,848.70, 124,273.05 and 32,912.20 is: 49,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848.70 : 124,273.05 = 32,912.20 : x
  2. Step 2: Convert to fraction form
    82,848.70/124,273.05 = 32,912.20/x
  3. Step 3: Cross multiply
    82,848.70x = 124,273.05 × 32,912.20
  4. Step 4: Simplify right side
    82,848.70x = 4,090,099,476.21
  5. Step 5: Solve for x
    x = 4,090,099,476.21/82,848.70
  6. Step 6: Final answer
    x = 49,368.30

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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.