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Finding the Fourth Proportional to 247,751.16, 371,626.60 and 70,259.72

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Solution

The fourth proportional to 247,751.16, 371,626.60 and 70,259.72 is: 105,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,751.16 : 371,626.60 = 70,259.72 : x
  2. Step 2: Convert to fraction form
    247,751.16/371,626.60 = 70,259.72/x
  3. Step 3: Cross multiply
    247,751.16x = 371,626.60 × 70,259.72
  4. Step 4: Simplify right side
    247,751.16x = 26,110,380,860.55
  5. Step 5: Solve for x
    x = 26,110,380,860.55/247,751.16
  6. Step 6: Final answer
    x = 105,389.54

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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.