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Finding the Fourth Proportional to 223,552.49, 308,346.27 and 151,807.95

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Solution

The fourth proportional to 223,552.49, 308,346.27 and 151,807.95 is: 209,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,552.49 : 308,346.27 = 151,807.95 : x
  2. Step 2: Convert to fraction form
    223,552.49/308,346.27 = 151,807.95/x
  3. Step 3: Cross multiply
    223,552.49x = 308,346.27 × 151,807.95
  4. Step 4: Simplify right side
    223,552.49x = 46,809,415,138.85
  5. Step 5: Solve for x
    x = 46,809,415,138.85/223,552.49
  6. Step 6: Final answer
    x = 209,388.93

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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.