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Finding the Fourth Proportional to 180,604.53, 249,262.25 and 103,080.24

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Solution

The fourth proportional to 180,604.53, 249,262.25 and 103,080.24 is: 142,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,604.53 : 249,262.25 = 103,080.24 : x
  2. Step 2: Convert to fraction form
    180,604.53/249,262.25 = 103,080.24/x
  3. Step 3: Cross multiply
    180,604.53x = 249,262.25 × 103,080.24
  4. Step 4: Simplify right side
    180,604.53x = 25,694,012,037.54
  5. Step 5: Solve for x
    x = 25,694,012,037.54/180,604.53
  6. Step 6: Final answer
    x = 142,266.71

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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.