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Finding the Fourth Proportional to 251,783.36, 377,579.46 and 83,253.14

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Solution

The fourth proportional to 251,783.36, 377,579.46 and 83,253.14 is: 124,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,783.36 : 377,579.46 = 83,253.14 : x
  2. Step 2: Convert to fraction form
    251,783.36/377,579.46 = 83,253.14/x
  3. Step 3: Cross multiply
    251,783.36x = 377,579.46 × 83,253.14
  4. Step 4: Simplify right side
    251,783.36x = 31,434,675,644.50
  5. Step 5: Solve for x
    x = 31,434,675,644.50/251,783.36
  6. Step 6: Final answer
    x = 124,848.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.