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Finding the Fourth Proportional to 149,532.48, 206,340.48 and 82,460.16

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Solution

The fourth proportional to 149,532.48, 206,340.48 and 82,460.16 is: 113,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,532.48 : 206,340.48 = 82,460.16 : x
  2. Step 2: Convert to fraction form
    149,532.48/206,340.48 = 82,460.16/x
  3. Step 3: Cross multiply
    149,532.48x = 206,340.48 × 82,460.16
  4. Step 4: Simplify right side
    149,532.48x = 17,014,868,995.28
  5. Step 5: Solve for x
    x = 17,014,868,995.28/149,532.48
  6. Step 6: Final answer
    x = 113,787.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.