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Finding the Fourth Proportional to 249,792.65, 344,293.97 and 189,343.97

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Solution

The fourth proportional to 249,792.65, 344,293.97 and 189,343.97 is: 260,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,792.65 : 344,293.97 = 189,343.97 : x
  2. Step 2: Convert to fraction form
    249,792.65/344,293.97 = 189,343.97/x
  3. Step 3: Cross multiply
    249,792.65x = 344,293.97 × 189,343.97
  4. Step 4: Simplify right side
    249,792.65x = 65,189,986,180.14
  5. Step 5: Solve for x
    x = 65,189,986,180.14/249,792.65
  6. Step 6: Final answer
    x = 260,976.40

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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.