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Finding the Fourth Proportional to 193,797.36, 288,955.55 and 186,398.01

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Solution

The fourth proportional to 193,797.36, 288,955.55 and 186,398.01 is: 277,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,797.36 : 288,955.55 = 186,398.01 : x
  2. Step 2: Convert to fraction form
    193,797.36/288,955.55 = 186,398.01/x
  3. Step 3: Cross multiply
    193,797.36x = 288,955.55 × 186,398.01
  4. Step 4: Simplify right side
    193,797.36x = 53,860,739,964.45
  5. Step 5: Solve for x
    x = 53,860,739,964.45/193,797.36
  6. Step 6: Final answer
    x = 277,922.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.