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Finding the Fourth Proportional to 249,456.70, 344,250.15 and 134,735.41

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Solution

The fourth proportional to 249,456.70, 344,250.15 and 134,735.41 is: 185,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,456.70 : 344,250.15 = 134,735.41 : x
  2. Step 2: Convert to fraction form
    249,456.70/344,250.15 = 134,735.41/x
  3. Step 3: Cross multiply
    249,456.70x = 344,250.15 × 134,735.41
  4. Step 4: Simplify right side
    249,456.70x = 46,382,685,102.81
  5. Step 5: Solve for x
    x = 46,382,685,102.81/249,456.70
  6. Step 6: Final answer
    x = 185,934.81

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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.