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Finding the Fourth Proportional to 249,993.67, 375,037.20 and 100,245.68

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Solution

The fourth proportional to 249,993.67, 375,037.20 and 100,245.68 is: 150,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,993.67 : 375,037.20 = 100,245.68 : x
  2. Step 2: Convert to fraction form
    249,993.67/375,037.20 = 100,245.68/x
  3. Step 3: Cross multiply
    249,993.67x = 375,037.20 × 100,245.68
  4. Step 4: Simplify right side
    249,993.67x = 37,595,857,967.30
  5. Step 5: Solve for x
    x = 37,595,857,967.30/249,993.67
  6. Step 6: Final answer
    x = 150,387.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.