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Finding the Fourth Proportional to 273,386,406.80, 410,079,610.20 and 111,774,630.80

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Solution

The fourth proportional to 273,386,406.80, 410,079,610.20 and 111,774,630.80 is: 167,661,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,386,406.80 : 410,079,610.20 = 111,774,630.80 : x
  2. Step 2: Convert to fraction form
    273,386,406.80/410,079,610.20 = 111,774,630.80/x
  3. Step 3: Cross multiply
    273,386,406.80x = 410,079,610.20 × 111,774,630.80
  4. Step 4: Simplify right side
    273,386,406.80x = 45,836,497,028,712,912
  5. Step 5: Solve for x
    x = 45,836,497,028,712,912/273,386,406.80
  6. Step 6: Final answer
    x = 167,661,946.20

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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.