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Finding the Fourth Proportional to 170,673.76, 256,047.04 and 65,491.84

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Solution

The fourth proportional to 170,673.76, 256,047.04 and 65,491.84 is: 98,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,673.76 : 256,047.04 = 65,491.84 : x
  2. Step 2: Convert to fraction form
    170,673.76/256,047.04 = 65,491.84/x
  3. Step 3: Cross multiply
    170,673.76x = 256,047.04 × 65,491.84
  4. Step 4: Simplify right side
    170,673.76x = 16,768,991,776.15
  5. Step 5: Solve for x
    x = 16,768,991,776.15/170,673.76
  6. Step 6: Final answer
    x = 98,251.73

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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.