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Finding the Fourth Proportional to 249,309.61, 373,610.46 and 192,167.56

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Solution

The fourth proportional to 249,309.61, 373,610.46 and 192,167.56 is: 287,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,309.61 : 373,610.46 = 192,167.56 : x
  2. Step 2: Convert to fraction form
    249,309.61/373,610.46 = 192,167.56/x
  3. Step 3: Cross multiply
    249,309.61x = 373,610.46 × 192,167.56
  4. Step 4: Simplify right side
    249,309.61x = 71,795,809,574.76
  5. Step 5: Solve for x
    x = 71,795,809,574.76/249,309.61
  6. Step 6: Final answer
    x = 287,978.50

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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.