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Finding the Fourth Proportional to 201,651.60, 302,477.40 and 170,158.80

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Solution

The fourth proportional to 201,651.60, 302,477.40 and 170,158.80 is: 255,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,651.60 : 302,477.40 = 170,158.80 : x
  2. Step 2: Convert to fraction form
    201,651.60/302,477.40 = 170,158.80/x
  3. Step 3: Cross multiply
    201,651.60x = 302,477.40 × 170,158.80
  4. Step 4: Simplify right side
    201,651.60x = 51,469,191,411.12
  5. Step 5: Solve for x
    x = 51,469,191,411.12/201,651.60
  6. Step 6: Final answer
    x = 255,238.20

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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.