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Finding the Fourth Proportional to 184,395.86, 276,479.24 and 77,724.93

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Solution

The fourth proportional to 184,395.86, 276,479.24 and 77,724.93 is: 116,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,395.86 : 276,479.24 = 77,724.93 : x
  2. Step 2: Convert to fraction form
    184,395.86/276,479.24 = 77,724.93/x
  3. Step 3: Cross multiply
    184,395.86x = 276,479.24 × 77,724.93
  4. Step 4: Simplify right side
    184,395.86x = 21,489,329,186.83
  5. Step 5: Solve for x
    x = 21,489,329,186.83/184,395.86
  6. Step 6: Final answer
    x = 116,539.11

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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.