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Finding the Fourth Proportional to 184,661.92, 254,833.62 and 99,779.20

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Solution

The fourth proportional to 184,661.92, 254,833.62 and 99,779.20 is: 137,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,661.92 : 254,833.62 = 99,779.20 : x
  2. Step 2: Convert to fraction form
    184,661.92/254,833.62 = 99,779.20/x
  3. Step 3: Cross multiply
    184,661.92x = 254,833.62 × 99,779.20
  4. Step 4: Simplify right side
    184,661.92x = 25,427,094,736.70
  5. Step 5: Solve for x
    x = 25,427,094,736.70/184,661.92
  6. Step 6: Final answer
    x = 137,695.39

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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.