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Finding the Fourth Proportional to 116,904.12, 175,293.48 and 60,687.60

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Solution

The fourth proportional to 116,904.12, 175,293.48 and 60,687.60 is: 90,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,904.12 : 175,293.48 = 60,687.60 : x
  2. Step 2: Convert to fraction form
    116,904.12/175,293.48 = 60,687.60/x
  3. Step 3: Cross multiply
    116,904.12x = 175,293.48 × 60,687.60
  4. Step 4: Simplify right side
    116,904.12x = 10,638,140,596.85
  5. Step 5: Solve for x
    x = 10,638,140,596.85/116,904.12
  6. Step 6: Final answer
    x = 90,998.85

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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.