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Finding the Fourth Proportional to 170,892.10, 256,338.15 and 100,908.10

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Solution

The fourth proportional to 170,892.10, 256,338.15 and 100,908.10 is: 151,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,892.10 : 256,338.15 = 100,908.10 : x
  2. Step 2: Convert to fraction form
    170,892.10/256,338.15 = 100,908.10/x
  3. Step 3: Cross multiply
    170,892.10x = 256,338.15 × 100,908.10
  4. Step 4: Simplify right side
    170,892.10x = 25,866,595,674.02
  5. Step 5: Solve for x
    x = 25,866,595,674.02/170,892.10
  6. Step 6: Final answer
    x = 151,362.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.