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Finding the Fourth Proportional to 93,996, 129,726 and 54,252

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Solution

The fourth proportional to 93,996, 129,726 and 54,252 is: 74,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996 : 129,726 = 54,252 : x
  2. Step 2: Convert to fraction form
    93,996/129,726 = 54,252/x
  3. Step 3: Cross multiply
    93,996x = 129,726 × 54,252
  4. Step 4: Simplify right side
    93,996x = 7,037,894,952
  5. Step 5: Solve for x
    x = 7,037,894,952/93,996
  6. Step 6: Final answer
    x = 74,874.41

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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.