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Finding the Fourth Proportional to 175,220.70, 262,895.85 and 70,115.10

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Solution

The fourth proportional to 175,220.70, 262,895.85 and 70,115.10 is: 105,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,220.70 : 262,895.85 = 70,115.10 : x
  2. Step 2: Convert to fraction form
    175,220.70/262,895.85 = 70,115.10/x
  3. Step 3: Cross multiply
    175,220.70x = 262,895.85 × 70,115.10
  4. Step 4: Simplify right side
    175,220.70x = 18,432,968,812.34
  5. Step 5: Solve for x
    x = 18,432,968,812.34/175,220.70
  6. Step 6: Final answer
    x = 105,198.58

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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.