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Finding the Fourth Proportional to 192,432.40, 288,648.60 and 184,559.20

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Solution

The fourth proportional to 192,432.40, 288,648.60 and 184,559.20 is: 276,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,432.40 : 288,648.60 = 184,559.20 : x
  2. Step 2: Convert to fraction form
    192,432.40/288,648.60 = 184,559.20/x
  3. Step 3: Cross multiply
    192,432.40x = 288,648.60 × 184,559.20
  4. Step 4: Simplify right side
    192,432.40x = 53,272,754,697.12
  5. Step 5: Solve for x
    x = 53,272,754,697.12/192,432.40
  6. Step 6: Final answer
    x = 276,838.80

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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.