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Finding the Fourth Proportional to 171,126.48, 256,628.28 and 65,892.56

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Solution

The fourth proportional to 171,126.48, 256,628.28 and 65,892.56 is: 98,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,126.48 : 256,628.28 = 65,892.56 : x
  2. Step 2: Convert to fraction form
    171,126.48/256,628.28 = 65,892.56/x
  3. Step 3: Cross multiply
    171,126.48x = 256,628.28 × 65,892.56
  4. Step 4: Simplify right side
    171,126.48x = 16,909,894,337.60
  5. Step 5: Solve for x
    x = 16,909,894,337.60/171,126.48
  6. Step 6: Final answer
    x = 98,815.18

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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.