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Finding the Fourth Proportional to 93,490.44, 129,016.80 and 51,049.01

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Solution

The fourth proportional to 93,490.44, 129,016.80 and 51,049.01 is: 70,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,490.44 : 129,016.80 = 51,049.01 : x
  2. Step 2: Convert to fraction form
    93,490.44/129,016.80 = 51,049.01/x
  3. Step 3: Cross multiply
    93,490.44x = 129,016.80 × 51,049.01
  4. Step 4: Simplify right side
    93,490.44x = 6,586,179,268.28
  5. Step 5: Solve for x
    x = 6,586,179,268.28/93,490.44
  6. Step 6: Final answer
    x = 70,447.62

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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.