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Finding the Fourth Proportional to 161,858.80, 242,593.80 and 82,932.40

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Solution

The fourth proportional to 161,858.80, 242,593.80 and 82,932.40 is: 124,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858.80 : 242,593.80 = 82,932.40 : x
  2. Step 2: Convert to fraction form
    161,858.80/242,593.80 = 82,932.40/x
  3. Step 3: Cross multiply
    161,858.80x = 242,593.80 × 82,932.40
  4. Step 4: Simplify right side
    161,858.80x = 20,118,886,059.12
  5. Step 5: Solve for x
    x = 20,118,886,059.12/161,858.80
  6. Step 6: Final answer
    x = 124,298.99

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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.