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Finding the Fourth Proportional to 163,748, 225,972.24 and 93,092

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Solution

The fourth proportional to 163,748, 225,972.24 and 93,092 is: 128,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,748 : 225,972.24 = 93,092 : x
  2. Step 2: Convert to fraction form
    163,748/225,972.24 = 93,092/x
  3. Step 3: Cross multiply
    163,748x = 225,972.24 × 93,092
  4. Step 4: Simplify right side
    163,748x = 21,036,207,766.08
  5. Step 5: Solve for x
    x = 21,036,207,766.08/163,748
  6. Step 6: Final answer
    x = 128,466.96

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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.