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Finding the Fourth Proportional to 115,599.40, 173,415.30 and 36,705.40

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Solution

The fourth proportional to 115,599.40, 173,415.30 and 36,705.40 is: 55,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.40 : 173,415.30 = 36,705.40 : x
  2. Step 2: Convert to fraction form
    115,599.40/173,415.30 = 36,705.40/x
  3. Step 3: Cross multiply
    115,599.40x = 173,415.30 × 36,705.40
  4. Step 4: Simplify right side
    115,599.40x = 6,365,277,952.62
  5. Step 5: Solve for x
    x = 6,365,277,952.62/115,599.40
  6. Step 6: Final answer
    x = 55,063.24

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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.