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Finding the Fourth Proportional to 93,515.77, 129,049.77 and 51,074.47

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Solution

The fourth proportional to 93,515.77, 129,049.77 and 51,074.47 is: 70,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,515.77 : 129,049.77 = 51,074.47 : x
  2. Step 2: Convert to fraction form
    93,515.77/129,049.77 = 51,074.47/x
  3. Step 3: Cross multiply
    93,515.77x = 129,049.77 × 51,074.47
  4. Step 4: Simplify right side
    93,515.77x = 6,591,148,606.37
  5. Step 5: Solve for x
    x = 6,591,148,606.37/93,515.77
  6. Step 6: Final answer
    x = 70,481.68

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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.