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Finding the Fourth Proportional to 180,469.44, 249,048.30 and 99,902.52

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Solution

The fourth proportional to 180,469.44, 249,048.30 and 99,902.52 is: 137,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.44 : 249,048.30 = 99,902.52 : x
  2. Step 2: Convert to fraction form
    180,469.44/249,048.30 = 99,902.52/x
  3. Step 3: Cross multiply
    180,469.44x = 249,048.30 × 99,902.52
  4. Step 4: Simplify right side
    180,469.44x = 24,880,552,771.72
  5. Step 5: Solve for x
    x = 24,880,552,771.72/180,469.44
  6. Step 6: Final answer
    x = 137,865.74

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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.