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Finding the Fourth Proportional to 168,585.87, 232,653.20 and 93,139.23

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Solution

The fourth proportional to 168,585.87, 232,653.20 and 93,139.23 is: 128,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,585.87 : 232,653.20 = 93,139.23 : x
  2. Step 2: Convert to fraction form
    168,585.87/232,653.20 = 93,139.23/x
  3. Step 3: Cross multiply
    168,585.87x = 232,653.20 × 93,139.23
  4. Step 4: Simplify right side
    168,585.87x = 21,669,139,439.34
  5. Step 5: Solve for x
    x = 21,669,139,439.34/168,585.87
  6. Step 6: Final answer
    x = 128,534.73

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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.