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Finding the Fourth Proportional to 143,051, 214,524.66 and 64,124.60

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Solution

The fourth proportional to 143,051, 214,524.66 and 64,124.60 is: 96,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,051 : 214,524.66 = 64,124.60 : x
  2. Step 2: Convert to fraction form
    143,051/214,524.66 = 64,124.60/x
  3. Step 3: Cross multiply
    143,051x = 214,524.66 × 64,124.60
  4. Step 4: Simplify right side
    143,051x = 13,756,308,012.64
  5. Step 5: Solve for x
    x = 13,756,308,012.64/143,051
  6. Step 6: Final answer
    x = 96,163.66

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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.