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Finding the Fourth Proportional to 168,735, 232,859.16 and 93,288.36

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Solution

The fourth proportional to 168,735, 232,859.16 and 93,288.36 is: 128,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,735 : 232,859.16 = 93,288.36 : x
  2. Step 2: Convert to fraction form
    168,735/232,859.16 = 93,288.36/x
  3. Step 3: Cross multiply
    168,735x = 232,859.16 × 93,288.36
  4. Step 4: Simplify right side
    168,735x = 21,723,049,147.38
  5. Step 5: Solve for x
    x = 21,723,049,147.38/168,735
  6. Step 6: Final answer
    x = 128,740.62

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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.