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Finding the Fourth Proportional to 111,954,574.80, 168,006,511.80 and 63,432,334.80

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Solution

The fourth proportional to 111,954,574.80, 168,006,511.80 and 63,432,334.80 is: 95,190,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,954,574.80 : 168,006,511.80 = 63,432,334.80 : x
  2. Step 2: Convert to fraction form
    111,954,574.80/168,006,511.80 = 63,432,334.80/x
  3. Step 3: Cross multiply
    111,954,574.80x = 168,006,511.80 × 63,432,334.80
  4. Step 4: Simplify right side
    111,954,574.80x = 10,657,045,305,077,750
  5. Step 5: Solve for x
    x = 10,657,045,305,077,750/111,954,574.80
  6. Step 6: Final answer
    x = 95,190,797.91

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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.