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Finding the Fourth Proportional to 249,967.50, 344,962.44 and 136,797.54

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Solution

The fourth proportional to 249,967.50, 344,962.44 and 136,797.54 is: 188,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,967.50 : 344,962.44 = 136,797.54 : x
  2. Step 2: Convert to fraction form
    249,967.50/344,962.44 = 136,797.54/x
  3. Step 3: Cross multiply
    249,967.50x = 344,962.44 × 136,797.54
  4. Step 4: Simplify right side
    249,967.50x = 47,190,013,184.40
  5. Step 5: Solve for x
    x = 47,190,013,184.40/249,967.50
  6. Step 6: Final answer
    x = 188,784.59

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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.