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Finding the Fourth Proportional to 248,590.85, 372,901.01 and 77,844.50

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Solution

The fourth proportional to 248,590.85, 372,901.01 and 77,844.50 is: 116,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,590.85 : 372,901.01 = 77,844.50 : x
  2. Step 2: Convert to fraction form
    248,590.85/372,901.01 = 77,844.50/x
  3. Step 3: Cross multiply
    248,590.85x = 372,901.01 × 77,844.50
  4. Step 4: Simplify right side
    248,590.85x = 29,028,291,905.88
  5. Step 5: Solve for x
    x = 29,028,291,905.88/248,590.85
  6. Step 6: Final answer
    x = 116,771.36

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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.