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Finding the Fourth Proportional to 265,505.87, 366,396.08 and 144,646.79

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Solution

The fourth proportional to 265,505.87, 366,396.08 and 144,646.79 is: 199,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,505.87 : 366,396.08 = 144,646.79 : x
  2. Step 2: Convert to fraction form
    265,505.87/366,396.08 = 144,646.79/x
  3. Step 3: Cross multiply
    265,505.87x = 366,396.08 × 144,646.79
  4. Step 4: Simplify right side
    265,505.87x = 52,998,014,285.37
  5. Step 5: Solve for x
    x = 52,998,014,285.37/265,505.87
  6. Step 6: Final answer
    x = 199,611.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.