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Finding the Fourth Proportional to 116,774.75, 175,135.25 and 45,699.08

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Solution

The fourth proportional to 116,774.75, 175,135.25 and 45,699.08 is: 68,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.75 : 175,135.25 = 45,699.08 : x
  2. Step 2: Convert to fraction form
    116,774.75/175,135.25 = 45,699.08/x
  3. Step 3: Cross multiply
    116,774.75x = 175,135.25 × 45,699.08
  4. Step 4: Simplify right side
    116,774.75x = 8,003,519,800.57
  5. Step 5: Solve for x
    x = 8,003,519,800.57/116,774.75
  6. Step 6: Final answer
    x = 68,538.10

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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.