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Finding the Fourth Proportional to 385,800.00, 578,700.06 and 161,037.82

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Solution

The fourth proportional to 385,800.00, 578,700.06 and 161,037.82 is: 241,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,800.00 : 578,700.06 = 161,037.82 : x
  2. Step 2: Convert to fraction form
    385,800.00/578,700.06 = 161,037.82/x
  3. Step 3: Cross multiply
    385,800.00x = 578,700.06 × 161,037.82
  4. Step 4: Simplify right side
    385,800.00x = 93,192,598,122.04
  5. Step 5: Solve for x
    x = 93,192,598,122.04/385,800.00
  6. Step 6: Final answer
    x = 241,556.76

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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.