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Finding the Fourth Proportional to 184,762.41, 254,972.78 and 99,879.47

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Solution

The fourth proportional to 184,762.41, 254,972.78 and 99,879.47 is: 137,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,762.41 : 254,972.78 = 99,879.47 : x
  2. Step 2: Convert to fraction form
    184,762.41/254,972.78 = 99,879.47/x
  3. Step 3: Cross multiply
    184,762.41x = 254,972.78 × 99,879.47
  4. Step 4: Simplify right side
    184,762.41x = 25,466,546,130.83
  5. Step 5: Solve for x
    x = 25,466,546,130.83/184,762.41
  6. Step 6: Final answer
    x = 137,834.02

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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.