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Finding the Fourth Proportional to 93,489.44, 129,015.42 and 51,048.01

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Solution

The fourth proportional to 93,489.44, 129,015.42 and 51,048.01 is: 70,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,489.44 : 129,015.42 = 51,048.01 : x
  2. Step 2: Convert to fraction form
    93,489.44/129,015.42 = 51,048.01/x
  3. Step 3: Cross multiply
    93,489.44x = 129,015.42 × 51,048.01
  4. Step 4: Simplify right side
    93,489.44x = 6,585,979,805.24
  5. Step 5: Solve for x
    x = 6,585,979,805.24/93,489.44
  6. Step 6: Final answer
    x = 70,446.24

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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.