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Finding the Fourth Proportional to 170,017.92, 255,028.80 and 64,847.04

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Solution

The fourth proportional to 170,017.92, 255,028.80 and 64,847.04 is: 97,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,017.92 : 255,028.80 = 64,847.04 : x
  2. Step 2: Convert to fraction form
    170,017.92/255,028.80 = 64,847.04/x
  3. Step 3: Cross multiply
    170,017.92x = 255,028.80 × 64,847.04
  4. Step 4: Simplify right side
    170,017.92x = 16,537,862,794.75
  5. Step 5: Solve for x
    x = 16,537,862,794.75/170,017.92
  6. Step 6: Final answer
    x = 97,271.29

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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.