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Finding the Fourth Proportional to 143,066.70, 214,604.16 and 37,885.77

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Solution

The fourth proportional to 143,066.70, 214,604.16 and 37,885.77 is: 56,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,066.70 : 214,604.16 = 37,885.77 : x
  2. Step 2: Convert to fraction form
    143,066.70/214,604.16 = 37,885.77/x
  3. Step 3: Cross multiply
    143,066.70x = 214,604.16 × 37,885.77
  4. Step 4: Simplify right side
    143,066.70x = 8,130,443,846.80
  5. Step 5: Solve for x
    x = 8,130,443,846.80/143,066.70
  6. Step 6: Final answer
    x = 56,829.74

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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.