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Finding the Fourth Proportional to 184,430.60, 276,645.90 and 137,774.60

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Solution

The fourth proportional to 184,430.60, 276,645.90 and 137,774.60 is: 206,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,430.60 : 276,645.90 = 137,774.60 : x
  2. Step 2: Convert to fraction form
    184,430.60/276,645.90 = 137,774.60/x
  3. Step 3: Cross multiply
    184,430.60x = 276,645.90 × 137,774.60
  4. Step 4: Simplify right side
    184,430.60x = 38,114,778,214.14
  5. Step 5: Solve for x
    x = 38,114,778,214.14/184,430.60
  6. Step 6: Final answer
    x = 206,661.90

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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.