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Finding the Fourth Proportional to 260,094.75, 390,142.13 and 63,102.75

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Solution

The fourth proportional to 260,094.75, 390,142.13 and 63,102.75 is: 94,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,094.75 : 390,142.13 = 63,102.75 : x
  2. Step 2: Convert to fraction form
    260,094.75/390,142.13 = 63,102.75/x
  3. Step 3: Cross multiply
    260,094.75x = 390,142.13 × 63,102.75
  4. Step 4: Simplify right side
    260,094.75x = 24,619,040,978.34
  5. Step 5: Solve for x
    x = 24,619,040,978.34/260,094.75
  6. Step 6: Final answer
    x = 94,654.13

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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.