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Finding the Fourth Proportional to 107,361.31, 160,991.98 and 39,846.32

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Solution

The fourth proportional to 107,361.31, 160,991.98 and 39,846.32 is: 59,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,361.31 : 160,991.98 = 39,846.32 : x
  2. Step 2: Convert to fraction form
    107,361.31/160,991.98 = 39,846.32/x
  3. Step 3: Cross multiply
    107,361.31x = 160,991.98 × 39,846.32
  4. Step 4: Simplify right side
    107,361.31x = 6,414,937,952.51
  5. Step 5: Solve for x
    x = 6,414,937,952.51/107,361.31
  6. Step 6: Final answer
    x = 59,750.93

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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.