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Finding the Fourth Proportional to 373,842.33, 560,851.88 and 121,122.41

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Solution

The fourth proportional to 373,842.33, 560,851.88 and 121,122.41 is: 181,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,842.33 : 560,851.88 = 121,122.41 : x
  2. Step 2: Convert to fraction form
    373,842.33/560,851.88 = 121,122.41/x
  3. Step 3: Cross multiply
    373,842.33x = 560,851.88 × 121,122.41
  4. Step 4: Simplify right side
    373,842.33x = 67,931,728,554.37
  5. Step 5: Solve for x
    x = 67,931,728,554.37/373,842.33
  6. Step 6: Final answer
    x = 181,712.25

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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.