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Finding the Fourth Proportional to 115,485.40, 173,252.40 and 36,607.60

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Solution

The fourth proportional to 115,485.40, 173,252.40 and 36,607.60 is: 54,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,485.40 : 173,252.40 = 36,607.60 : x
  2. Step 2: Convert to fraction form
    115,485.40/173,252.40 = 36,607.60/x
  3. Step 3: Cross multiply
    115,485.40x = 173,252.40 × 36,607.60
  4. Step 4: Simplify right side
    115,485.40x = 6,342,354,558.24
  5. Step 5: Solve for x
    x = 6,342,354,558.24/115,485.40
  6. Step 6: Final answer
    x = 54,919.10

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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.