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Finding the Fourth Proportional to 183,946.60, 275,919.90 and 127,959.40

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Solution

The fourth proportional to 183,946.60, 275,919.90 and 127,959.40 is: 191,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,946.60 : 275,919.90 = 127,959.40 : x
  2. Step 2: Convert to fraction form
    183,946.60/275,919.90 = 127,959.40/x
  3. Step 3: Cross multiply
    183,946.60x = 275,919.90 × 127,959.40
  4. Step 4: Simplify right side
    183,946.60x = 35,306,544,852.06
  5. Step 5: Solve for x
    x = 35,306,544,852.06/183,946.60
  6. Step 6: Final answer
    x = 191,939.10

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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.