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Finding the Fourth Proportional to 211,814.77, 317,765.91 and 62,059.94

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Solution

The fourth proportional to 211,814.77, 317,765.91 and 62,059.94 is: 93,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,814.77 : 317,765.91 = 62,059.94 : x
  2. Step 2: Convert to fraction form
    211,814.77/317,765.91 = 62,059.94/x
  3. Step 3: Cross multiply
    211,814.77x = 317,765.91 × 62,059.94
  4. Step 4: Simplify right side
    211,814.77x = 19,720,533,308.65
  5. Step 5: Solve for x
    x = 19,720,533,308.65/211,814.77
  6. Step 6: Final answer
    x = 93,102.73

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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.