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Finding the Fourth Proportional to 93,965.44, 129,672.48 and 51,523.68

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Solution

The fourth proportional to 93,965.44, 129,672.48 and 51,523.68 is: 71,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,965.44 : 129,672.48 = 51,523.68 : x
  2. Step 2: Convert to fraction form
    93,965.44/129,672.48 = 51,523.68/x
  3. Step 3: Cross multiply
    93,965.44x = 129,672.48 × 51,523.68
  4. Step 4: Simplify right side
    93,965.44x = 6,681,203,364.33
  5. Step 5: Solve for x
    x = 6,681,203,364.33/93,965.44
  6. Step 6: Final answer
    x = 71,102.77

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1.5x scale

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.