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Finding the Fourth Proportional to 249,269.40, 373,825.68 and 80,750.64

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Solution

The fourth proportional to 249,269.40, 373,825.68 and 80,750.64 is: 121,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,269.40 : 373,825.68 = 80,750.64 : x
  2. Step 2: Convert to fraction form
    249,269.40/373,825.68 = 80,750.64/x
  3. Step 3: Cross multiply
    249,269.40x = 373,825.68 × 80,750.64
  4. Step 4: Simplify right side
    249,269.40x = 30,186,662,908.44
  5. Step 5: Solve for x
    x = 30,186,662,908.44/249,269.40
  6. Step 6: Final answer
    x = 121,100.56

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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.