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Finding the Fourth Proportional to 211,042.13, 316,733.87 and 163,544.59

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Solution

The fourth proportional to 211,042.13, 316,733.87 and 163,544.59 is: 245,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,042.13 : 316,733.87 = 163,544.59 : x
  2. Step 2: Convert to fraction form
    211,042.13/316,733.87 = 163,544.59/x
  3. Step 3: Cross multiply
    211,042.13x = 316,733.87 × 163,544.59
  4. Step 4: Simplify right side
    211,042.13x = 51,800,110,908.26
  5. Step 5: Solve for x
    x = 51,800,110,908.26/211,042.13
  6. Step 6: Final answer
    x = 245,449.15

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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.