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Finding the Fourth Proportional to 93,649.82, 140,474.85 and 38,245.82

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Solution

The fourth proportional to 93,649.82, 140,474.85 and 38,245.82 is: 57,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,649.82 : 140,474.85 = 38,245.82 : x
  2. Step 2: Convert to fraction form
    93,649.82/140,474.85 = 38,245.82/x
  3. Step 3: Cross multiply
    93,649.82x = 140,474.85 × 38,245.82
  4. Step 4: Simplify right side
    93,649.82x = 5,372,575,827.63
  5. Step 5: Solve for x
    x = 5,372,575,827.63/93,649.82
  6. Step 6: Final answer
    x = 57,368.78

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1.5x scale

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.