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Finding the Fourth Proportional to 133,002.96, 183,518.96 and 79,292.94

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Solution

The fourth proportional to 133,002.96, 183,518.96 and 79,292.94 is: 109,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,002.96 : 183,518.96 = 79,292.94 : x
  2. Step 2: Convert to fraction form
    133,002.96/183,518.96 = 79,292.94/x
  3. Step 3: Cross multiply
    133,002.96x = 183,518.96 × 79,292.94
  4. Step 4: Simplify right side
    133,002.96x = 14,551,757,487.68
  5. Step 5: Solve for x
    x = 14,551,757,487.68/133,002.96
  6. Step 6: Final answer
    x = 109,409.28

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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.