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Finding the Fourth Proportional to 161,892.29, 242,873 and 56,717.57

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Solution

The fourth proportional to 161,892.29, 242,873 and 56,717.57 is: 85,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,892.29 : 242,873 = 56,717.57 : x
  2. Step 2: Convert to fraction form
    161,892.29/242,873 = 56,717.57/x
  3. Step 3: Cross multiply
    161,892.29x = 242,873 × 56,717.57
  4. Step 4: Simplify right side
    161,892.29x = 13,775,166,378.61
  5. Step 5: Solve for x
    x = 13,775,166,378.61/161,892.29
  6. Step 6: Final answer
    x = 85,088.46

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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.