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Finding the Fourth Proportional to 248,592.85, 372,904.01 and 77,846.50

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Solution

The fourth proportional to 248,592.85, 372,904.01 and 77,846.50 is: 116,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,592.85 : 372,904.01 = 77,846.50 : x
  2. Step 2: Convert to fraction form
    248,592.85/372,904.01 = 77,846.50/x
  3. Step 3: Cross multiply
    248,592.85x = 372,904.01 × 77,846.50
  4. Step 4: Simplify right side
    248,592.85x = 29,029,272,014.47
  5. Step 5: Solve for x
    x = 29,029,272,014.47/248,592.85
  6. Step 6: Final answer
    x = 116,774.36

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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.