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Finding the Fourth Proportional to 116,693.10, 175,039.65 and 37,815.30

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Solution

The fourth proportional to 116,693.10, 175,039.65 and 37,815.30 is: 56,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,693.10 : 175,039.65 = 37,815.30 : x
  2. Step 2: Convert to fraction form
    116,693.10/175,039.65 = 37,815.30/x
  3. Step 3: Cross multiply
    116,693.10x = 175,039.65 × 37,815.30
  4. Step 4: Simplify right side
    116,693.10x = 6,619,176,876.65
  5. Step 5: Solve for x
    x = 6,619,176,876.65/116,693.10
  6. Step 6: Final answer
    x = 56,722.95

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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.