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Finding the Fourth Proportional to 184,357.91, 254,418.84 and 103,788.50

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Solution

The fourth proportional to 184,357.91, 254,418.84 and 103,788.50 is: 143,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,357.91 : 254,418.84 = 103,788.50 : x
  2. Step 2: Convert to fraction form
    184,357.91/254,418.84 = 103,788.50/x
  3. Step 3: Cross multiply
    184,357.91x = 254,418.84 × 103,788.50
  4. Step 4: Simplify right side
    184,357.91x = 26,405,748,762.72
  5. Step 5: Solve for x
    x = 26,405,748,762.72/184,357.91
  6. Step 6: Final answer
    x = 143,230.89

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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.