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Finding the Fourth Proportional to 100,435.60, 150,575.52 and 58,250.80

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Solution

The fourth proportional to 100,435.60, 150,575.52 and 58,250.80 is: 87,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,435.60 : 150,575.52 = 58,250.80 : x
  2. Step 2: Convert to fraction form
    100,435.60/150,575.52 = 58,250.80/x
  3. Step 3: Cross multiply
    100,435.60x = 150,575.52 × 58,250.80
  4. Step 4: Simplify right side
    100,435.60x = 8,771,144,500.42
  5. Step 5: Solve for x
    x = 8,771,144,500.42/100,435.60
  6. Step 6: Final answer
    x = 87,331.03

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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.