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Finding the Fourth Proportional to 194,007.40, 267,731.98 and 107,970.01

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Solution

The fourth proportional to 194,007.40, 267,731.98 and 107,970.01 is: 148,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,007.40 : 267,731.98 = 107,970.01 : x
  2. Step 2: Convert to fraction form
    194,007.40/267,731.98 = 107,970.01/x
  3. Step 3: Cross multiply
    194,007.40x = 267,731.98 × 107,970.01
  4. Step 4: Simplify right side
    194,007.40x = 28,907,023,618.66
  5. Step 5: Solve for x
    x = 28,907,023,618.66/194,007.40
  6. Step 6: Final answer
    x = 148,999.59

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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.