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Finding the Fourth Proportional to 373,893.06, 560,909.25 and 121,151.01

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Solution

The fourth proportional to 373,893.06, 560,909.25 and 121,151.01 is: 181,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,893.06 : 560,909.25 = 121,151.01 : x
  2. Step 2: Convert to fraction form
    373,893.06/560,909.25 = 121,151.01/x
  3. Step 3: Cross multiply
    373,893.06x = 560,909.25 × 121,151.01
  4. Step 4: Simplify right side
    373,893.06x = 67,954,722,155.84
  5. Step 5: Solve for x
    x = 67,954,722,155.84/373,893.06
  6. Step 6: Final answer
    x = 181,749.09

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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.