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Finding the Fourth Proportional to 161,648.65, 242,472.99 and 49,329.46

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Solution

The fourth proportional to 161,648.65, 242,472.99 and 49,329.46 is: 73,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,648.65 : 242,472.99 = 49,329.46 : x
  2. Step 2: Convert to fraction form
    161,648.65/242,472.99 = 49,329.46/x
  3. Step 3: Cross multiply
    161,648.65x = 242,472.99 × 49,329.46
  4. Step 4: Simplify right side
    161,648.65x = 11,961,060,785.45
  5. Step 5: Solve for x
    x = 11,961,060,785.45/161,648.65
  6. Step 6: Final answer
    x = 73,994.19

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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.