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Finding the Fourth Proportional to 333,719.65, 500,163.13 and 162,800.51

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Solution

The fourth proportional to 333,719.65, 500,163.13 and 162,800.51 is: 243,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,719.65 : 500,163.13 = 162,800.51 : x
  2. Step 2: Convert to fraction form
    333,719.65/500,163.13 = 162,800.51/x
  3. Step 3: Cross multiply
    333,719.65x = 500,163.13 × 162,800.51
  4. Step 4: Simplify right side
    333,719.65x = 81,426,811,833.19
  5. Step 5: Solve for x
    x = 81,426,811,833.19/333,719.65
  6. Step 6: Final answer
    x = 243,997.66

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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.