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Finding the Fourth Proportional to 180,450.44, 249,022.10 and 99,883.52

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Solution

The fourth proportional to 180,450.44, 249,022.10 and 99,883.52 is: 137,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,450.44 : 249,022.10 = 99,883.52 : x
  2. Step 2: Convert to fraction form
    180,450.44/249,022.10 = 99,883.52/x
  3. Step 3: Cross multiply
    180,450.44x = 249,022.10 × 99,883.52
  4. Step 4: Simplify right side
    180,450.44x = 24,873,203,905.79
  5. Step 5: Solve for x
    x = 24,873,203,905.79/180,450.44
  6. Step 6: Final answer
    x = 137,839.53

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1.5x scale

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.