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Finding the Fourth Proportional to 172,326.48, 237,806.38 and 93,742.44

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Solution

The fourth proportional to 172,326.48, 237,806.38 and 93,742.44 is: 129,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,326.48 : 237,806.38 = 93,742.44 : x
  2. Step 2: Convert to fraction form
    172,326.48/237,806.38 = 93,742.44/x
  3. Step 3: Cross multiply
    172,326.48x = 237,806.38 × 93,742.44
  4. Step 4: Simplify right side
    172,326.48x = 22,292,550,308.77
  5. Step 5: Solve for x
    x = 22,292,550,308.77/172,326.48
  6. Step 6: Final answer
    x = 129,362.30

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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.