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Finding the Fourth Proportional to 248,174.60, 372,261.90 and 223,291.40

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Solution

The fourth proportional to 248,174.60, 372,261.90 and 223,291.40 is: 334,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,174.60 : 372,261.90 = 223,291.40 : x
  2. Step 2: Convert to fraction form
    248,174.60/372,261.90 = 223,291.40/x
  3. Step 3: Cross multiply
    248,174.60x = 372,261.90 × 223,291.40
  4. Step 4: Simplify right side
    248,174.60x = 83,122,880,817.66
  5. Step 5: Solve for x
    x = 83,122,880,817.66/248,174.60
  6. Step 6: Final answer
    x = 334,937.10

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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.