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Finding the Fourth Proportional to 184,228.80, 276,343.20 and 65,909.40

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Solution

The fourth proportional to 184,228.80, 276,343.20 and 65,909.40 is: 98,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,228.80 : 276,343.20 = 65,909.40 : x
  2. Step 2: Convert to fraction form
    184,228.80/276,343.20 = 65,909.40/x
  3. Step 3: Cross multiply
    184,228.80x = 276,343.20 × 65,909.40
  4. Step 4: Simplify right side
    184,228.80x = 18,213,614,506.08
  5. Step 5: Solve for x
    x = 18,213,614,506.08/184,228.80
  6. Step 6: Final answer
    x = 98,864.10

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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.