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Finding the Fourth Proportional to 661,744.67, 992,617.18 and 163,108.67

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Solution

The fourth proportional to 661,744.67, 992,617.18 and 163,108.67 is: 244,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,744.67 : 992,617.18 = 163,108.67 : x
  2. Step 2: Convert to fraction form
    661,744.67/992,617.18 = 163,108.67/x
  3. Step 3: Cross multiply
    661,744.67x = 992,617.18 × 163,108.67
  4. Step 4: Simplify right side
    661,744.67x = 161,904,462,678.09
  5. Step 5: Solve for x
    x = 161,904,462,678.09/661,744.67
  6. Step 6: Final answer
    x = 244,663.04

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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.