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Finding the Fourth Proportional to 180,641.73, 249,249.67 and 109,025.68

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Solution

The fourth proportional to 180,641.73, 249,249.67 and 109,025.68 is: 150,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,641.73 : 249,249.67 = 109,025.68 : x
  2. Step 2: Convert to fraction form
    180,641.73/249,249.67 = 109,025.68/x
  3. Step 3: Cross multiply
    180,641.73x = 249,249.67 × 109,025.68
  4. Step 4: Simplify right side
    180,641.73x = 27,174,614,761.53
  5. Step 5: Solve for x
    x = 27,174,614,761.53/180,641.73
  6. Step 6: Final answer
    x = 150,433.76

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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.