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Finding the Fourth Proportional to 245,635.64, 368,453.40 and 110,541.80

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Solution

The fourth proportional to 245,635.64, 368,453.40 and 110,541.80 is: 165,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,635.64 : 368,453.40 = 110,541.80 : x
  2. Step 2: Convert to fraction form
    245,635.64/368,453.40 = 110,541.80/x
  3. Step 3: Cross multiply
    245,635.64x = 368,453.40 × 110,541.80
  4. Step 4: Simplify right side
    245,635.64x = 40,729,502,052.12
  5. Step 5: Solve for x
    x = 40,729,502,052.12/245,635.64
  6. Step 6: Final answer
    x = 165,812.67

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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.