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Finding the Fourth Proportional to 143,090.88, 214,636.32 and 49,596.63

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Solution

The fourth proportional to 143,090.88, 214,636.32 and 49,596.63 is: 74,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,090.88 : 214,636.32 = 49,596.63 : x
  2. Step 2: Convert to fraction form
    143,090.88/214,636.32 = 49,596.63/x
  3. Step 3: Cross multiply
    143,090.88x = 214,636.32 × 49,596.63
  4. Step 4: Simplify right side
    143,090.88x = 10,645,237,899.62
  5. Step 5: Solve for x
    x = 10,645,237,899.62/143,090.88
  6. Step 6: Final answer
    x = 74,394.94

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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.