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Finding the Fourth Proportional to 161,658.44, 242,523.84 and 49,348.64

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Solution

The fourth proportional to 161,658.44, 242,523.84 and 49,348.64 is: 74,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658.44 : 242,523.84 = 49,348.64 : x
  2. Step 2: Convert to fraction form
    161,658.44/242,523.84 = 49,348.64/x
  3. Step 3: Cross multiply
    161,658.44x = 242,523.84 × 49,348.64
  4. Step 4: Simplify right side
    161,658.44x = 11,968,221,671.58
  5. Step 5: Solve for x
    x = 11,968,221,671.58/161,658.44
  6. Step 6: Final answer
    x = 74,034.00

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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.