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Finding the Fourth Proportional to 79,314.90, 118,983.29 and 46,050.63

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Solution

The fourth proportional to 79,314.90, 118,983.29 and 46,050.63 is: 69,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,314.90 : 118,983.29 = 46,050.63 : x
  2. Step 2: Convert to fraction form
    79,314.90/118,983.29 = 46,050.63/x
  3. Step 3: Cross multiply
    79,314.90x = 118,983.29 × 46,050.63
  4. Step 4: Simplify right side
    79,314.90x = 5,479,255,233.72
  5. Step 5: Solve for x
    x = 5,479,255,233.72/79,314.90
  6. Step 6: Final answer
    x = 69,082.29

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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.