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Finding the Fourth Proportional to 170,896.73, 256,122.14 and 123,670.90

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Solution

The fourth proportional to 170,896.73, 256,122.14 and 123,670.90 is: 185,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,896.73 : 256,122.14 = 123,670.90 : x
  2. Step 2: Convert to fraction form
    170,896.73/256,122.14 = 123,670.90/x
  3. Step 3: Cross multiply
    170,896.73x = 256,122.14 × 123,670.90
  4. Step 4: Simplify right side
    170,896.73x = 31,674,855,563.73
  5. Step 5: Solve for x
    x = 31,674,855,563.73/170,896.73
  6. Step 6: Final answer
    x = 185,345.01

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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.