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Finding the Fourth Proportional to 138,083.38, 207,059.62 and 48,094.71

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Solution

The fourth proportional to 138,083.38, 207,059.62 and 48,094.71 is: 72,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,083.38 : 207,059.62 = 48,094.71 : x
  2. Step 2: Convert to fraction form
    138,083.38/207,059.62 = 48,094.71/x
  3. Step 3: Cross multiply
    138,083.38x = 207,059.62 × 48,094.71
  4. Step 4: Simplify right side
    138,083.38x = 9,958,471,341.31
  5. Step 5: Solve for x
    x = 9,958,471,341.31/138,083.38
  6. Step 6: Final answer
    x = 72,119.26

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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.