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Finding the Fourth Proportional to 93,674.96, 140,525.40 and 38,258

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Solution

The fourth proportional to 93,674.96, 140,525.40 and 38,258 is: 57,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,674.96 : 140,525.40 = 38,258 : x
  2. Step 2: Convert to fraction form
    93,674.96/140,525.40 = 38,258/x
  3. Step 3: Cross multiply
    93,674.96x = 140,525.40 × 38,258
  4. Step 4: Simplify right side
    93,674.96x = 5,376,220,753.20
  5. Step 5: Solve for x
    x = 5,376,220,753.20/93,674.96
  6. Step 6: Final answer
    x = 57,392.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.