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Finding the Fourth Proportional to 238,161.40, 357,069.30 and 97,847.80

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Solution

The fourth proportional to 238,161.40, 357,069.30 and 97,847.80 is: 146,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,161.40 : 357,069.30 = 97,847.80 : x
  2. Step 2: Convert to fraction form
    238,161.40/357,069.30 = 97,847.80/x
  3. Step 3: Cross multiply
    238,161.40x = 357,069.30 × 97,847.80
  4. Step 4: Simplify right side
    238,161.40x = 34,938,445,452.54
  5. Step 5: Solve for x
    x = 34,938,445,452.54/238,161.40
  6. Step 6: Final answer
    x = 146,700.71

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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.