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Finding the Fourth Proportional to 93,568.44, 129,026.10 and 61,696.56

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Solution

The fourth proportional to 93,568.44, 129,026.10 and 61,696.56 is: 85,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,568.44 : 129,026.10 = 61,696.56 : x
  2. Step 2: Convert to fraction form
    93,568.44/129,026.10 = 61,696.56/x
  3. Step 3: Cross multiply
    93,568.44x = 129,026.10 × 61,696.56
  4. Step 4: Simplify right side
    93,568.44x = 7,960,466,520.22
  5. Step 5: Solve for x
    x = 7,960,466,520.22/93,568.44
  6. Step 6: Final answer
    x = 85,076.41

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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.