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Finding the Fourth Proportional to 180,641.88, 249,314.22 and 109,032.12

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Solution

The fourth proportional to 180,641.88, 249,314.22 and 109,032.12 is: 150,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,641.88 : 249,314.22 = 109,032.12 : x
  2. Step 2: Convert to fraction form
    180,641.88/249,314.22 = 109,032.12/x
  3. Step 3: Cross multiply
    180,641.88x = 249,314.22 × 109,032.12
  4. Step 4: Simplify right side
    180,641.88x = 27,183,257,952.75
  5. Step 5: Solve for x
    x = 27,183,257,952.75/180,641.88
  6. Step 6: Final answer
    x = 150,481.48

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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.