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Finding the Fourth Proportional to 184,762.16, 254,971.68 and 99,879.38

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Solution

The fourth proportional to 184,762.16, 254,971.68 and 99,879.38 is: 137,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,762.16 : 254,971.68 = 99,879.38 : x
  2. Step 2: Convert to fraction form
    184,762.16/254,971.68 = 99,879.38/x
  3. Step 3: Cross multiply
    184,762.16x = 254,971.68 × 99,879.38
  4. Step 4: Simplify right side
    184,762.16x = 25,466,413,315.96
  5. Step 5: Solve for x
    x = 25,466,413,315.96/184,762.16
  6. Step 6: Final answer
    x = 137,833.49

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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.