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Finding the Fourth Proportional to 168,756.88, 232,889.16 and 93,308.08

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Solution

The fourth proportional to 168,756.88, 232,889.16 and 93,308.08 is: 128,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,756.88 : 232,889.16 = 93,308.08 : x
  2. Step 2: Convert to fraction form
    168,756.88/232,889.16 = 93,308.08/x
  3. Step 3: Cross multiply
    168,756.88x = 232,889.16 × 93,308.08
  4. Step 4: Simplify right side
    168,756.88x = 21,730,440,372.41
  5. Step 5: Solve for x
    x = 21,730,440,372.41/168,756.88
  6. Step 6: Final answer
    x = 128,767.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.