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Finding the Fourth Proportional to 108,270.29, 162,405.51 and 29,384.51

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Solution

The fourth proportional to 108,270.29, 162,405.51 and 29,384.51 is: 44,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,270.29 : 162,405.51 = 29,384.51 : x
  2. Step 2: Convert to fraction form
    108,270.29/162,405.51 = 29,384.51/x
  3. Step 3: Cross multiply
    108,270.29x = 162,405.51 × 29,384.51
  4. Step 4: Simplify right side
    108,270.29x = 4,772,206,332.65
  5. Step 5: Solve for x
    x = 4,772,206,332.65/108,270.29
  6. Step 6: Final answer
    x = 44,076.79

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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.