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Finding the Fourth Proportional to 170,883.96, 256,324.94 and 69,681.61

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Solution

The fourth proportional to 170,883.96, 256,324.94 and 69,681.61 is: 104,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,883.96 : 256,324.94 = 69,681.61 : x
  2. Step 2: Convert to fraction form
    170,883.96/256,324.94 = 69,681.61/x
  3. Step 3: Cross multiply
    170,883.96x = 256,324.94 × 69,681.61
  4. Step 4: Simplify right side
    170,883.96x = 17,861,134,735.66
  5. Step 5: Solve for x
    x = 17,861,134,735.66/170,883.96
  6. Step 6: Final answer
    x = 104,522.01

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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.