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Finding the Fourth Proportional to 121,292.22, 181,737.19 and 73,763.55

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Solution

The fourth proportional to 121,292.22, 181,737.19 and 73,763.55 is: 110,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292.22 : 181,737.19 = 73,763.55 : x
  2. Step 2: Convert to fraction form
    121,292.22/181,737.19 = 73,763.55/x
  3. Step 3: Cross multiply
    121,292.22x = 181,737.19 × 73,763.55
  4. Step 4: Simplify right side
    121,292.22x = 13,405,580,393.63
  5. Step 5: Solve for x
    x = 13,405,580,393.63/121,292.22
  6. Step 6: Final answer
    x = 110,523.00

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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.