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Finding the Fourth Proportional to 180,607.64, 249,247.46 and 108,986.44

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Solution

The fourth proportional to 180,607.64, 249,247.46 and 108,986.44 is: 150,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,607.64 : 249,247.46 = 108,986.44 : x
  2. Step 2: Convert to fraction form
    180,607.64/249,247.46 = 108,986.44/x
  3. Step 3: Cross multiply
    180,607.64x = 249,247.46 × 108,986.44
  4. Step 4: Simplify right side
    180,607.64x = 27,164,593,344.44
  5. Step 5: Solve for x
    x = 27,164,593,344.44/180,607.64
  6. Step 6: Final answer
    x = 150,406.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.