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Finding the Fourth Proportional to 184,432.60, 276,648.90 and 109,637.20

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Solution

The fourth proportional to 184,432.60, 276,648.90 and 109,637.20 is: 164,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,432.60 : 276,648.90 = 109,637.20 : x
  2. Step 2: Convert to fraction form
    184,432.60/276,648.90 = 109,637.20/x
  3. Step 3: Cross multiply
    184,432.60x = 276,648.90 × 109,637.20
  4. Step 4: Simplify right side
    184,432.60x = 30,331,010,779.08
  5. Step 5: Solve for x
    x = 30,331,010,779.08/184,432.60
  6. Step 6: Final answer
    x = 164,455.80

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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.