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Finding the Fourth Proportional to 107,625.40, 161,438.10 and 32,745.40

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Solution

The fourth proportional to 107,625.40, 161,438.10 and 32,745.40 is: 49,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,625.40 : 161,438.10 = 32,745.40 : x
  2. Step 2: Convert to fraction form
    107,625.40/161,438.10 = 32,745.40/x
  3. Step 3: Cross multiply
    107,625.40x = 161,438.10 × 32,745.40
  4. Step 4: Simplify right side
    107,625.40x = 5,286,355,159.74
  5. Step 5: Solve for x
    x = 5,286,355,159.74/107,625.40
  6. Step 6: Final answer
    x = 49,118.10

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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.