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Finding the Fourth Proportional to 146,767.72, 220,133.19 and 46,919.63

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Solution

The fourth proportional to 146,767.72, 220,133.19 and 46,919.63 is: 70,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,767.72 : 220,133.19 = 46,919.63 : x
  2. Step 2: Convert to fraction form
    146,767.72/220,133.19 = 46,919.63/x
  3. Step 3: Cross multiply
    146,767.72x = 220,133.19 × 46,919.63
  4. Step 4: Simplify right side
    146,767.72x = 10,328,567,825.52
  5. Step 5: Solve for x
    x = 10,328,567,825.52/146,767.72
  6. Step 6: Final answer
    x = 70,373.57

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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.