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Finding the Fourth Proportional to 242,983.80, 364,475.70 and 168,083.10

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Solution

The fourth proportional to 242,983.80, 364,475.70 and 168,083.10 is: 252,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,983.80 : 364,475.70 = 168,083.10 : x
  2. Step 2: Convert to fraction form
    242,983.80/364,475.70 = 168,083.10/x
  3. Step 3: Cross multiply
    242,983.80x = 364,475.70 × 168,083.10
  4. Step 4: Simplify right side
    242,983.80x = 61,262,205,530.67
  5. Step 5: Solve for x
    x = 61,262,205,530.67/242,983.80
  6. Step 6: Final answer
    x = 252,124.65

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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.