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Finding the Fourth Proportional to 173,259.91, 259,980.95 and 122,983.39

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Solution

The fourth proportional to 173,259.91, 259,980.95 and 122,983.39 is: 184,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,259.91 : 259,980.95 = 122,983.39 : x
  2. Step 2: Convert to fraction form
    173,259.91/259,980.95 = 122,983.39/x
  3. Step 3: Cross multiply
    173,259.91x = 259,980.95 × 122,983.39
  4. Step 4: Simplify right side
    173,259.91x = 31,973,338,566.42
  5. Step 5: Solve for x
    x = 31,973,338,566.42/173,259.91
  6. Step 6: Final answer
    x = 184,539.74

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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.