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Finding the Fourth Proportional to 173,860.40, 260,790.60 and 134,445.80

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Solution

The fourth proportional to 173,860.40, 260,790.60 and 134,445.80 is: 201,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.40 : 260,790.60 = 134,445.80 : x
  2. Step 2: Convert to fraction form
    173,860.40/260,790.60 = 134,445.80/x
  3. Step 3: Cross multiply
    173,860.40x = 260,790.60 × 134,445.80
  4. Step 4: Simplify right side
    173,860.40x = 35,062,200,849.48
  5. Step 5: Solve for x
    x = 35,062,200,849.48/173,860.40
  6. Step 6: Final answer
    x = 201,668.70

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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.