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Finding the Fourth Proportional to 223,597.14, 308,535.99 and 151,157.61

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Solution

The fourth proportional to 223,597.14, 308,535.99 and 151,157.61 is: 208,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,597.14 : 308,535.99 = 151,157.61 : x
  2. Step 2: Convert to fraction form
    223,597.14/308,535.99 = 151,157.61/x
  3. Step 3: Cross multiply
    223,597.14x = 308,535.99 × 151,157.61
  4. Step 4: Simplify right side
    223,597.14x = 46,637,562,847.38
  5. Step 5: Solve for x
    x = 46,637,562,847.38/223,597.14
  6. Step 6: Final answer
    x = 208,578.53

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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.