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Finding the Fourth Proportional to 161,348.87, 242,054.09 and 61,500.71

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Solution

The fourth proportional to 161,348.87, 242,054.09 and 61,500.71 is: 92,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,348.87 : 242,054.09 = 61,500.71 : x
  2. Step 2: Convert to fraction form
    161,348.87/242,054.09 = 61,500.71/x
  3. Step 3: Cross multiply
    161,348.87x = 242,054.09 × 61,500.71
  4. Step 4: Simplify right side
    161,348.87x = 14,886,496,875.63
  5. Step 5: Solve for x
    x = 14,886,496,875.63/161,348.87
  6. Step 6: Final answer
    x = 92,262.79

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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.