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Finding the Fourth Proportional to 184,138.99, 254,109.30 and 103,566.50

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Solution

The fourth proportional to 184,138.99, 254,109.30 and 103,566.50 is: 142,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,138.99 : 254,109.30 = 103,566.50 : x
  2. Step 2: Convert to fraction form
    184,138.99/254,109.30 = 103,566.50/x
  3. Step 3: Cross multiply
    184,138.99x = 254,109.30 × 103,566.50
  4. Step 4: Simplify right side
    184,138.99x = 26,317,210,818.45
  5. Step 5: Solve for x
    x = 26,317,210,818.45/184,138.99
  6. Step 6: Final answer
    x = 142,920.36

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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.