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Finding the Fourth Proportional to 176,459.60, 264,919.80 and 141,438.80

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Solution

The fourth proportional to 176,459.60, 264,919.80 and 141,438.80 is: 212,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,459.60 : 264,919.80 = 141,438.80 : x
  2. Step 2: Convert to fraction form
    176,459.60/264,919.80 = 141,438.80/x
  3. Step 3: Cross multiply
    176,459.60x = 264,919.80 × 141,438.80
  4. Step 4: Simplify right side
    176,459.60x = 37,469,938,608.24
  5. Step 5: Solve for x
    x = 37,469,938,608.24/176,459.60
  6. Step 6: Final answer
    x = 212,342.87

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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.