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Finding the Fourth Proportional to 184,771.13, 254,984.76 and 99,888.80

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Solution

The fourth proportional to 184,771.13, 254,984.76 and 99,888.80 is: 137,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,771.13 : 254,984.76 = 99,888.80 : x
  2. Step 2: Convert to fraction form
    184,771.13/254,984.76 = 99,888.80/x
  3. Step 3: Cross multiply
    184,771.13x = 254,984.76 × 99,888.80
  4. Step 4: Simplify right side
    184,771.13x = 25,470,120,419.76
  5. Step 5: Solve for x
    x = 25,470,120,419.76/184,771.13
  6. Step 6: Final answer
    x = 137,846.87

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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.