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Finding the Fourth Proportional to 184,804.80, 255,030.72 and 99,921.87

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Solution

The fourth proportional to 184,804.80, 255,030.72 and 99,921.87 is: 137,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,804.80 : 255,030.72 = 99,921.87 : x
  2. Step 2: Convert to fraction form
    184,804.80/255,030.72 = 99,921.87/x
  3. Step 3: Cross multiply
    184,804.80x = 255,030.72 × 99,921.87
  4. Step 4: Simplify right side
    184,804.80x = 25,483,146,449.85
  5. Step 5: Solve for x
    x = 25,483,146,449.85/184,804.80
  6. Step 6: Final answer
    x = 137,892.23

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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.