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Finding the Fourth Proportional to 247,000.47, 370,467.90 and 69,522.69

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Solution

The fourth proportional to 247,000.47, 370,467.90 and 69,522.69 is: 104,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,000.47 : 370,467.90 = 69,522.69 : x
  2. Step 2: Convert to fraction form
    247,000.47/370,467.90 = 69,522.69/x
  3. Step 3: Cross multiply
    247,000.47x = 370,467.90 × 69,522.69
  4. Step 4: Simplify right side
    247,000.47x = 25,755,924,966.65
  5. Step 5: Solve for x
    x = 25,755,924,966.65/247,000.47
  6. Step 6: Final answer
    x = 104,274.80

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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.