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Finding the Fourth Proportional to 184,744.80, 277,117.20 and 66,428.10

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Solution

The fourth proportional to 184,744.80, 277,117.20 and 66,428.10 is: 99,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,744.80 : 277,117.20 = 66,428.10 : x
  2. Step 2: Convert to fraction form
    184,744.80/277,117.20 = 66,428.10/x
  3. Step 3: Cross multiply
    184,744.80x = 277,117.20 × 66,428.10
  4. Step 4: Simplify right side
    184,744.80x = 18,408,369,073.32
  5. Step 5: Solve for x
    x = 18,408,369,073.32/184,744.80
  6. Step 6: Final answer
    x = 99,642.15

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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.