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Finding the Fourth Proportional to 116,751.74, 175,178.49 and 40,904.69

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Solution

The fourth proportional to 116,751.74, 175,178.49 and 40,904.69 is: 61,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,751.74 : 175,178.49 = 40,904.69 : x
  2. Step 2: Convert to fraction form
    116,751.74/175,178.49 = 40,904.69/x
  3. Step 3: Cross multiply
    116,751.74x = 175,178.49 × 40,904.69
  4. Step 4: Simplify right side
    116,751.74x = 7,165,620,952.23
  5. Step 5: Solve for x
    x = 7,165,620,952.23/116,751.74
  6. Step 6: Final answer
    x = 61,374.86

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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.