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Finding the Fourth Proportional to 184,632.99, 276,979.01 and 78,017.95

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Solution

The fourth proportional to 184,632.99, 276,979.01 and 78,017.95 is: 117,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,632.99 : 276,979.01 = 78,017.95 : x
  2. Step 2: Convert to fraction form
    184,632.99/276,979.01 = 78,017.95/x
  3. Step 3: Cross multiply
    184,632.99x = 276,979.01 × 78,017.95
  4. Step 4: Simplify right side
    184,632.99x = 21,609,334,553.23
  5. Step 5: Solve for x
    x = 21,609,334,553.23/184,632.99
  6. Step 6: Final answer
    x = 117,039.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.