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Finding the Fourth Proportional to 177,576.60, 266,948.10 and 151,915.80

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Solution

The fourth proportional to 177,576.60, 266,948.10 and 151,915.80 is: 228,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,576.60 : 266,948.10 = 151,915.80 : x
  2. Step 2: Convert to fraction form
    177,576.60/266,948.10 = 151,915.80/x
  3. Step 3: Cross multiply
    177,576.60x = 266,948.10 × 151,915.80
  4. Step 4: Simplify right side
    177,576.60x = 40,553,634,169.98
  5. Step 5: Solve for x
    x = 40,553,634,169.98/177,576.60
  6. Step 6: Final answer
    x = 228,372.62

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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.