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Finding the Fourth Proportional to 115,417.40, 173,150.40 and 36,539.60

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Solution

The fourth proportional to 115,417.40, 173,150.40 and 36,539.60 is: 54,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.40 : 173,150.40 = 36,539.60 : x
  2. Step 2: Convert to fraction form
    115,417.40/173,150.40 = 36,539.60/x
  3. Step 3: Cross multiply
    115,417.40x = 173,150.40 × 36,539.60
  4. Step 4: Simplify right side
    115,417.40x = 6,326,846,355.84
  5. Step 5: Solve for x
    x = 6,326,846,355.84/115,417.40
  6. Step 6: Final answer
    x = 54,817.09

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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.