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Finding the Fourth Proportional to 111,569,415.30, 167,354,122.95 and 34,915,940.10

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Solution

The fourth proportional to 111,569,415.30, 167,354,122.95 and 34,915,940.10 is: 52,373,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,569,415.30 : 167,354,122.95 = 34,915,940.10 : x
  2. Step 2: Convert to fraction form
    111,569,415.30/167,354,122.95 = 34,915,940.10/x
  3. Step 3: Cross multiply
    111,569,415.30x = 167,354,122.95 × 34,915,940.10
  4. Step 4: Simplify right side
    111,569,415.30x = 5,843,326,532,410,235
  5. Step 5: Solve for x
    x = 5,843,326,532,410,235/111,569,415.30
  6. Step 6: Final answer
    x = 52,373,910.15

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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.