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Finding the Fourth Proportional to 211,908.96, 317,567.88 and 159,256.80

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Solution

The fourth proportional to 211,908.96, 317,567.88 and 159,256.80 is: 238,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,908.96 : 317,567.88 = 159,256.80 : x
  2. Step 2: Convert to fraction form
    211,908.96/317,567.88 = 159,256.80/x
  3. Step 3: Cross multiply
    211,908.96x = 317,567.88 × 159,256.80
  4. Step 4: Simplify right side
    211,908.96x = 50,574,844,351.58
  5. Step 5: Solve for x
    x = 50,574,844,351.58/211,908.96
  6. Step 6: Final answer
    x = 238,663.08

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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.