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Finding the Fourth Proportional to 184,210.20, 276,315.30 and 65,885.40

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Solution

The fourth proportional to 184,210.20, 276,315.30 and 65,885.40 is: 98,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,210.20 : 276,315.30 = 65,885.40 : x
  2. Step 2: Convert to fraction form
    184,210.20/276,315.30 = 65,885.40/x
  3. Step 3: Cross multiply
    184,210.20x = 276,315.30 × 65,885.40
  4. Step 4: Simplify right side
    184,210.20x = 18,205,144,066.62
  5. Step 5: Solve for x
    x = 18,205,144,066.62/184,210.20
  6. Step 6: Final answer
    x = 98,828.10

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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.