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Finding the Fourth Proportional to 211,754.97, 317,565.01 and 69,567.24

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Solution

The fourth proportional to 211,754.97, 317,565.01 and 69,567.24 is: 104,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,754.97 : 317,565.01 = 69,567.24 : x
  2. Step 2: Convert to fraction form
    211,754.97/317,565.01 = 69,567.24/x
  3. Step 3: Cross multiply
    211,754.97x = 317,565.01 × 69,567.24
  4. Step 4: Simplify right side
    211,754.97x = 22,092,121,266.27
  5. Step 5: Solve for x
    x = 22,092,121,266.27/211,754.97
  6. Step 6: Final answer
    x = 104,328.70

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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.