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Finding the Fourth Proportional to 333,326.95, 499,872.13 and 120,037.61

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Solution

The fourth proportional to 333,326.95, 499,872.13 and 120,037.61 is: 180,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,326.95 : 499,872.13 = 120,037.61 : x
  2. Step 2: Convert to fraction form
    333,326.95/499,872.13 = 120,037.61/x
  3. Step 3: Cross multiply
    333,326.95x = 499,872.13 × 120,037.61
  4. Step 4: Simplify right side
    333,326.95x = 60,003,456,740.40
  5. Step 5: Solve for x
    x = 60,003,456,740.40/333,326.95
  6. Step 6: Final answer
    x = 180,013.82

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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.