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Finding the Fourth Proportional to 184,187.93, 254,178.97 and 103,615.51

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Solution

The fourth proportional to 184,187.93, 254,178.97 and 103,615.51 is: 142,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,187.93 : 254,178.97 = 103,615.51 : x
  2. Step 2: Convert to fraction form
    184,187.93/254,178.97 = 103,615.51/x
  3. Step 3: Cross multiply
    184,187.93x = 254,178.97 × 103,615.51
  4. Step 4: Simplify right side
    184,187.93x = 26,336,883,607.82
  5. Step 5: Solve for x
    x = 26,336,883,607.82/184,187.93
  6. Step 6: Final answer
    x = 142,989.19

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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.