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Finding the Fourth Proportional to 151,125.37, 208,553.00 and 83,140.88

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Solution

The fourth proportional to 151,125.37, 208,553.00 and 83,140.88 is: 114,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,125.37 : 208,553.00 = 83,140.88 : x
  2. Step 2: Convert to fraction form
    151,125.37/208,553.00 = 83,140.88/x
  3. Step 3: Cross multiply
    151,125.37x = 208,553.00 × 83,140.88
  4. Step 4: Simplify right side
    151,125.37x = 17,339,279,633.11
  5. Step 5: Solve for x
    x = 17,339,279,633.11/151,125.37
  6. Step 6: Final answer
    x = 114,734.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.