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Finding the Fourth Proportional to 249,954.52, 344,937.26 and 136,777.28

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Solution

The fourth proportional to 249,954.52, 344,937.26 and 136,777.28 is: 188,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,954.52 : 344,937.26 = 136,777.28 : x
  2. Step 2: Convert to fraction form
    249,954.52/344,937.26 = 136,777.28/x
  3. Step 3: Cross multiply
    249,954.52x = 344,937.26 × 136,777.28
  4. Step 4: Simplify right side
    249,954.52x = 47,179,580,193.45
  5. Step 5: Solve for x
    x = 47,179,580,193.45/249,954.52
  6. Step 6: Final answer
    x = 188,752.66

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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.