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Finding the Fourth Proportional to 161,602.74, 242,420.66 and 61,846.84

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Solution

The fourth proportional to 161,602.74, 242,420.66 and 61,846.84 is: 92,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,602.74 : 242,420.66 = 61,846.84 : x
  2. Step 2: Convert to fraction form
    161,602.74/242,420.66 = 61,846.84/x
  3. Step 3: Cross multiply
    161,602.74x = 242,420.66 × 61,846.84
  4. Step 4: Simplify right side
    161,602.74x = 14,992,951,771.71
  5. Step 5: Solve for x
    x = 14,992,951,771.71/161,602.74
  6. Step 6: Final answer
    x = 92,776.59

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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.