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Finding the Fourth Proportional to 249,273.18, 373,959.06 and 91,503

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Solution

The fourth proportional to 249,273.18, 373,959.06 and 91,503 is: 137,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,273.18 : 373,959.06 = 91,503 : x
  2. Step 2: Convert to fraction form
    249,273.18/373,959.06 = 91,503/x
  3. Step 3: Cross multiply
    249,273.18x = 373,959.06 × 91,503
  4. Step 4: Simplify right side
    249,273.18x = 34,218,375,867.18
  5. Step 5: Solve for x
    x = 34,218,375,867.18/249,273.18
  6. Step 6: Final answer
    x = 137,272.59

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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.