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Finding the Fourth Proportional to 251,838.37, 377,666.83 and 83,327.59

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Solution

The fourth proportional to 251,838.37, 377,666.83 and 83,327.59 is: 124,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,838.37 : 377,666.83 = 83,327.59 : x
  2. Step 2: Convert to fraction form
    251,838.37/377,666.83 = 83,327.59/x
  3. Step 3: Cross multiply
    251,838.37x = 377,666.83 × 83,327.59
  4. Step 4: Simplify right side
    251,838.37x = 31,470,064,461.87
  5. Step 5: Solve for x
    x = 31,470,064,461.87/251,838.37
  6. Step 6: Final answer
    x = 124,961.36

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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.