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Finding the Fourth Proportional to 167,460.55, 231,094.55 and 90,979.00

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Solution

The fourth proportional to 167,460.55, 231,094.55 and 90,979.00 is: 125,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,460.55 : 231,094.55 = 90,979.00 : x
  2. Step 2: Convert to fraction form
    167,460.55/231,094.55 = 90,979.00/x
  3. Step 3: Cross multiply
    167,460.55x = 231,094.55 × 90,979.00
  4. Step 4: Simplify right side
    167,460.55x = 21,024,750,714.16
  5. Step 5: Solve for x
    x = 21,024,750,714.16/167,460.55
  6. Step 6: Final answer
    x = 125,550.47

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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.