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Finding the Fourth Proportional to 115,375.60, 173,081.40 and 36,482.32

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Solution

The fourth proportional to 115,375.60, 173,081.40 and 36,482.32 is: 54,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,375.60 : 173,081.40 = 36,482.32 : x
  2. Step 2: Convert to fraction form
    115,375.60/173,081.40 = 36,482.32/x
  3. Step 3: Cross multiply
    115,375.60x = 173,081.40 × 36,482.32
  4. Step 4: Simplify right side
    115,375.60x = 6,314,411,020.85
  5. Step 5: Solve for x
    x = 6,314,411,020.85/115,375.60
  6. Step 6: Final answer
    x = 54,729.17

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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.