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Finding the Fourth Proportional to 107,360.30, 160,846.05 and 91,808.30

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Solution

The fourth proportional to 107,360.30, 160,846.05 and 91,808.30 is: 137,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.30 : 160,846.05 = 91,808.30 : x
  2. Step 2: Convert to fraction form
    107,360.30/160,846.05 = 91,808.30/x
  3. Step 3: Cross multiply
    107,360.30x = 160,846.05 × 91,808.30
  4. Step 4: Simplify right side
    107,360.30x = 14,767,002,412.22
  5. Step 5: Solve for x
    x = 14,767,002,412.22/107,360.30
  6. Step 6: Final answer
    x = 137,546.21

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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.