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Finding the Fourth Proportional to 184,419.81, 276,465.60 and 72,074.48

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Solution

The fourth proportional to 184,419.81, 276,465.60 and 72,074.48 is: 108,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,419.81 : 276,465.60 = 72,074.48 : x
  2. Step 2: Convert to fraction form
    184,419.81/276,465.60 = 72,074.48/x
  3. Step 3: Cross multiply
    184,419.81x = 276,465.60 × 72,074.48
  4. Step 4: Simplify right side
    184,419.81x = 19,926,114,357.89
  5. Step 5: Solve for x
    x = 19,926,114,357.89/184,419.81
  6. Step 6: Final answer
    x = 108,047.58

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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.