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Finding the Fourth Proportional to 93,452.40, 128,959.81 and 53,162.37

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Solution

The fourth proportional to 93,452.40, 128,959.81 and 53,162.37 is: 73,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,452.40 : 128,959.81 = 53,162.37 : x
  2. Step 2: Convert to fraction form
    93,452.40/128,959.81 = 53,162.37/x
  3. Step 3: Cross multiply
    93,452.40x = 128,959.81 × 53,162.37
  4. Step 4: Simplify right side
    93,452.40x = 6,855,809,001.44
  5. Step 5: Solve for x
    x = 6,855,809,001.44/93,452.40
  6. Step 6: Final answer
    x = 73,361.51

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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.