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Finding the Fourth Proportional to 170,591.40, 255,862.80 and 58,276.80

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Solution

The fourth proportional to 170,591.40, 255,862.80 and 58,276.80 is: 87,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,591.40 : 255,862.80 = 58,276.80 : x
  2. Step 2: Convert to fraction form
    170,591.40/255,862.80 = 58,276.80/x
  3. Step 3: Cross multiply
    170,591.40x = 255,862.80 × 58,276.80
  4. Step 4: Simplify right side
    170,591.40x = 14,910,865,223.04
  5. Step 5: Solve for x
    x = 14,910,865,223.04/170,591.40
  6. Step 6: Final answer
    x = 87,406.90

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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.