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Finding the Fourth Proportional to 138,653.00, 207,994.13 and 43,896.26

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Solution

The fourth proportional to 138,653.00, 207,994.13 and 43,896.26 is: 65,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,653.00 : 207,994.13 = 43,896.26 : x
  2. Step 2: Convert to fraction form
    138,653.00/207,994.13 = 43,896.26/x
  3. Step 3: Cross multiply
    138,653.00x = 207,994.13 × 43,896.26
  4. Step 4: Simplify right side
    138,653.00x = 9,130,164,874.07
  5. Step 5: Solve for x
    x = 9,130,164,874.07/138,653.00
  6. Step 6: Final answer
    x = 65,849.03

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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.