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Finding the Fourth Proportional to 115,594.40, 173,396.40 and 36,706.40

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Solution

The fourth proportional to 115,594.40, 173,396.40 and 36,706.40 is: 55,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,594.40 : 173,396.40 = 36,706.40 : x
  2. Step 2: Convert to fraction form
    115,594.40/173,396.40 = 36,706.40/x
  3. Step 3: Cross multiply
    115,594.40x = 173,396.40 × 36,706.40
  4. Step 4: Simplify right side
    115,594.40x = 6,364,757,616.96
  5. Step 5: Solve for x
    x = 6,364,757,616.96/115,594.40
  6. Step 6: Final answer
    x = 55,061.12

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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.