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Finding the Fourth Proportional to 170,288.96, 255,444.96 and 65,119.04

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Solution

The fourth proportional to 170,288.96, 255,444.96 and 65,119.04 is: 97,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.96 : 255,444.96 = 65,119.04 : x
  2. Step 2: Convert to fraction form
    170,288.96/255,444.96 = 65,119.04/x
  3. Step 3: Cross multiply
    170,288.96x = 255,444.96 × 65,119.04
  4. Step 4: Simplify right side
    170,288.96x = 16,634,330,568.04
  5. Step 5: Solve for x
    x = 16,634,330,568.04/170,288.96
  6. Step 6: Final answer
    x = 97,682.97

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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.