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Finding the Fourth Proportional to 150,475.58, 225,647.74 and 56,915.72

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Solution

The fourth proportional to 150,475.58, 225,647.74 and 56,915.72 is: 85,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,475.58 : 225,647.74 = 56,915.72 : x
  2. Step 2: Convert to fraction form
    150,475.58/225,647.74 = 56,915.72/x
  3. Step 3: Cross multiply
    150,475.58x = 225,647.74 × 56,915.72
  4. Step 4: Simplify right side
    150,475.58x = 12,842,903,588.47
  5. Step 5: Solve for x
    x = 12,842,903,588.47/150,475.58
  6. Step 6: Final answer
    x = 85,348.76

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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.