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Finding the Fourth Proportional to 251,560.72, 377,260.96 and 83,049.68

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Solution

The fourth proportional to 251,560.72, 377,260.96 and 83,049.68 is: 124,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,560.72 : 377,260.96 = 83,049.68 : x
  2. Step 2: Convert to fraction form
    251,560.72/377,260.96 = 83,049.68/x
  3. Step 3: Cross multiply
    251,560.72x = 377,260.96 × 83,049.68
  4. Step 4: Simplify right side
    251,560.72x = 31,331,402,004.49
  5. Step 5: Solve for x
    x = 31,331,402,004.49/251,560.72
  6. Step 6: Final answer
    x = 124,548.07

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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.