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Finding the Fourth Proportional to 169,672.08, 234,080.37 and 98,038.92

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Solution

The fourth proportional to 169,672.08, 234,080.37 and 98,038.92 is: 135,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,672.08 : 234,080.37 = 98,038.92 : x
  2. Step 2: Convert to fraction form
    169,672.08/234,080.37 = 98,038.92/x
  3. Step 3: Cross multiply
    169,672.08x = 234,080.37 × 98,038.92
  4. Step 4: Simplify right side
    169,672.08x = 22,948,986,668.00
  5. Step 5: Solve for x
    x = 22,948,986,668.00/169,672.08
  6. Step 6: Final answer
    x = 135,254.94

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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.