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Finding the Fourth Proportional to 133,337.19, 200,005.95 and 54,451.41

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Solution

The fourth proportional to 133,337.19, 200,005.95 and 54,451.41 is: 81,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,337.19 : 200,005.95 = 54,451.41 : x
  2. Step 2: Convert to fraction form
    133,337.19/200,005.95 = 54,451.41/x
  3. Step 3: Cross multiply
    133,337.19x = 200,005.95 × 54,451.41
  4. Step 4: Simplify right side
    133,337.19x = 10,890,605,985.89
  5. Step 5: Solve for x
    x = 10,890,605,985.89/133,337.19
  6. Step 6: Final answer
    x = 81,677.18

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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.