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Finding the Fourth Proportional to 184,671.81, 254,965.71 and 115,855.62

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Solution

The fourth proportional to 184,671.81, 254,965.71 and 115,855.62 is: 159,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,671.81 : 254,965.71 = 115,855.62 : x
  2. Step 2: Convert to fraction form
    184,671.81/254,965.71 = 115,855.62/x
  3. Step 3: Cross multiply
    184,671.81x = 254,965.71 × 115,855.62
  4. Step 4: Simplify right side
    184,671.81x = 29,539,210,410.79
  5. Step 5: Solve for x
    x = 29,539,210,410.79/184,671.81
  6. Step 6: Final answer
    x = 159,955.17

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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.