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Finding the Fourth Proportional to 238,392.90, 357,604.56 and 69,910.08

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Solution

The fourth proportional to 238,392.90, 357,604.56 and 69,910.08 is: 104,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,392.90 : 357,604.56 = 69,910.08 : x
  2. Step 2: Convert to fraction form
    238,392.90/357,604.56 = 69,910.08/x
  3. Step 3: Cross multiply
    238,392.90x = 357,604.56 × 69,910.08
  4. Step 4: Simplify right side
    238,392.90x = 25,000,163,397.96
  5. Step 5: Solve for x
    x = 25,000,163,397.96/238,392.90
  6. Step 6: Final answer
    x = 104,869.58

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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.