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Finding the Fourth Proportional to 168,765.50, 232,903.68 and 93,314

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Solution

The fourth proportional to 168,765.50, 232,903.68 and 93,314 is: 128,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,765.50 : 232,903.68 = 93,314 : x
  2. Step 2: Convert to fraction form
    168,765.50/232,903.68 = 93,314/x
  3. Step 3: Cross multiply
    168,765.50x = 232,903.68 × 93,314
  4. Step 4: Simplify right side
    168,765.50x = 21,733,173,995.52
  5. Step 5: Solve for x
    x = 21,733,173,995.52/168,765.50
  6. Step 6: Final answer
    x = 128,777.35

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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.