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Finding the Fourth Proportional to 115,515.62, 173,279.62 and 36,636.00

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Solution

The fourth proportional to 115,515.62, 173,279.62 and 36,636.00 is: 54,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,515.62 : 173,279.62 = 36,636.00 : x
  2. Step 2: Convert to fraction form
    115,515.62/173,279.62 = 36,636.00/x
  3. Step 3: Cross multiply
    115,515.62x = 173,279.62 × 36,636.00
  4. Step 4: Simplify right side
    115,515.62x = 6,348,271,554.32
  5. Step 5: Solve for x
    x = 6,348,271,554.32/115,515.62
  6. Step 6: Final answer
    x = 54,955.96

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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.