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Finding the Fourth Proportional to 268,054.84, 369,924.30 and 154,877.56

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Solution

The fourth proportional to 268,054.84, 369,924.30 and 154,877.56 is: 213,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,054.84 : 369,924.30 = 154,877.56 : x
  2. Step 2: Convert to fraction form
    268,054.84/369,924.30 = 154,877.56/x
  3. Step 3: Cross multiply
    268,054.84x = 369,924.30 × 154,877.56
  4. Step 4: Simplify right side
    268,054.84x = 57,292,972,968.71
  5. Step 5: Solve for x
    x = 57,292,972,968.71/268,054.84
  6. Step 6: Final answer
    x = 213,736.01

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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.