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Finding the Fourth Proportional to 136,373.70, 204,593.55 and 46,415.50

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Solution

The fourth proportional to 136,373.70, 204,593.55 and 46,415.50 is: 69,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.70 : 204,593.55 = 46,415.50 : x
  2. Step 2: Convert to fraction form
    136,373.70/204,593.55 = 46,415.50/x
  3. Step 3: Cross multiply
    136,373.70x = 204,593.55 × 46,415.50
  4. Step 4: Simplify right side
    136,373.70x = 9,496,311,920.03
  5. Step 5: Solve for x
    x = 9,496,311,920.03/136,373.70
  6. Step 6: Final answer
    x = 69,634.48

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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.