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Finding the Fourth Proportional to 115,751.40, 173,636.70 and 36,863.40

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Solution

The fourth proportional to 115,751.40, 173,636.70 and 36,863.40 is: 55,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,751.40 : 173,636.70 = 36,863.40 : x
  2. Step 2: Convert to fraction form
    115,751.40/173,636.70 = 36,863.40/x
  3. Step 3: Cross multiply
    115,751.40x = 173,636.70 × 36,863.40
  4. Step 4: Simplify right side
    115,751.40x = 6,400,839,126.78
  5. Step 5: Solve for x
    x = 6,400,839,126.78/115,751.40
  6. Step 6: Final answer
    x = 55,298.16

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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.