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Finding the Fourth Proportional to 167,044.52, 230,826.84 and 121,643.48

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Solution

The fourth proportional to 167,044.52, 230,826.84 and 121,643.48 is: 168,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,044.52 : 230,826.84 = 121,643.48 : x
  2. Step 2: Convert to fraction form
    167,044.52/230,826.84 = 121,643.48/x
  3. Step 3: Cross multiply
    167,044.52x = 230,826.84 × 121,643.48
  4. Step 4: Simplify right side
    167,044.52x = 28,078,580,095.00
  5. Step 5: Solve for x
    x = 28,078,580,095.00/167,044.52
  6. Step 6: Final answer
    x = 168,090.40

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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.