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Finding the Fourth Proportional to 133,063.46, 183,600.16 and 76,463.90

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Solution

The fourth proportional to 133,063.46, 183,600.16 and 76,463.90 is: 105,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,063.46 : 183,600.16 = 76,463.90 : x
  2. Step 2: Convert to fraction form
    133,063.46/183,600.16 = 76,463.90/x
  3. Step 3: Cross multiply
    133,063.46x = 183,600.16 × 76,463.90
  4. Step 4: Simplify right side
    133,063.46x = 14,038,784,274.22
  5. Step 5: Solve for x
    x = 14,038,784,274.22/133,063.46
  6. Step 6: Final answer
    x = 105,504.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.