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Finding the Fourth Proportional to 93,775.92, 129,410.82 and 51,334.44

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Solution

The fourth proportional to 93,775.92, 129,410.82 and 51,334.44 is: 70,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,775.92 : 129,410.82 = 51,334.44 : x
  2. Step 2: Convert to fraction form
    93,775.92/129,410.82 = 51,334.44/x
  3. Step 3: Cross multiply
    93,775.92x = 129,410.82 × 51,334.44
  4. Step 4: Simplify right side
    93,775.92x = 6,643,231,974.64
  5. Step 5: Solve for x
    x = 6,643,231,974.64/93,775.92
  6. Step 6: Final answer
    x = 70,841.55

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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.