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Finding the Fourth Proportional to 116,806.40, 175,203.12 and 54,520.64

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Solution

The fourth proportional to 116,806.40, 175,203.12 and 54,520.64 is: 81,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,806.40 : 175,203.12 = 54,520.64 : x
  2. Step 2: Convert to fraction form
    116,806.40/175,203.12 = 54,520.64/x
  3. Step 3: Cross multiply
    116,806.40x = 175,203.12 × 54,520.64
  4. Step 4: Simplify right side
    116,806.40x = 9,552,186,232.40
  5. Step 5: Solve for x
    x = 9,552,186,232.40/116,806.40
  6. Step 6: Final answer
    x = 81,777.94

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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.