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Finding the Fourth Proportional to 251,431.64, 377,147.50 and 73,938.68

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Solution

The fourth proportional to 251,431.64, 377,147.50 and 73,938.68 is: 110,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,431.64 : 377,147.50 = 73,938.68 : x
  2. Step 2: Convert to fraction form
    251,431.64/377,147.50 = 73,938.68/x
  3. Step 3: Cross multiply
    251,431.64x = 377,147.50 × 73,938.68
  4. Step 4: Simplify right side
    251,431.64x = 27,885,788,315.30
  5. Step 5: Solve for x
    x = 27,885,788,315.30/251,431.64
  6. Step 6: Final answer
    x = 110,908.03

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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.