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Finding the Fourth Proportional to 223,560, 308,356.56 and 147,054.96

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Solution

The fourth proportional to 223,560, 308,356.56 and 147,054.96 is: 202,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,560 : 308,356.56 = 147,054.96 : x
  2. Step 2: Convert to fraction form
    223,560/308,356.56 = 147,054.96/x
  3. Step 3: Cross multiply
    223,560x = 308,356.56 × 147,054.96
  4. Step 4: Simplify right side
    223,560x = 45,345,361,596.54
  5. Step 5: Solve for x
    x = 45,345,361,596.54/223,560
  6. Step 6: Final answer
    x = 202,833.07

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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.