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Finding the Fourth Proportional to 70,052.42, 104,907.72 and 36,800.30

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Solution

The fourth proportional to 70,052.42, 104,907.72 and 36,800.30 is: 55,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.42 : 104,907.72 = 36,800.30 : x
  2. Step 2: Convert to fraction form
    70,052.42/104,907.72 = 36,800.30/x
  3. Step 3: Cross multiply
    70,052.42x = 104,907.72 × 36,800.30
  4. Step 4: Simplify right side
    70,052.42x = 3,860,635,568.32
  5. Step 5: Solve for x
    x = 3,860,635,568.32/70,052.42
  6. Step 6: Final answer
    x = 55,110.67

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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.