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Finding the Fourth Proportional to 170,248.62, 255,363.21 and 65,078.22

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Solution

The fourth proportional to 170,248.62, 255,363.21 and 65,078.22 is: 97,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,248.62 : 255,363.21 = 65,078.22 : x
  2. Step 2: Convert to fraction form
    170,248.62/255,363.21 = 65,078.22/x
  3. Step 3: Cross multiply
    170,248.62x = 255,363.21 × 65,078.22
  4. Step 4: Simplify right side
    170,248.62x = 16,618,583,160.29
  5. Step 5: Solve for x
    x = 16,618,583,160.29/170,248.62
  6. Step 6: Final answer
    x = 97,613.61

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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.