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Finding the Fourth Proportional to 201,872.60, 302,480.85 and 173,660.30

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Solution

The fourth proportional to 201,872.60, 302,480.85 and 173,660.30 is: 260,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,872.60 : 302,480.85 = 173,660.30 : x
  2. Step 2: Convert to fraction form
    201,872.60/302,480.85 = 173,660.30/x
  3. Step 3: Cross multiply
    201,872.60x = 302,480.85 × 173,660.30
  4. Step 4: Simplify right side
    201,872.60x = 52,528,915,155.26
  5. Step 5: Solve for x
    x = 52,528,915,155.26/201,872.60
  6. Step 6: Final answer
    x = 260,208.25

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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.