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Finding the Fourth Proportional to 376,042.18, 564,065.19 and 126,726.34

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Solution

The fourth proportional to 376,042.18, 564,065.19 and 126,726.34 is: 190,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,042.18 : 564,065.19 = 126,726.34 : x
  2. Step 2: Convert to fraction form
    376,042.18/564,065.19 = 126,726.34/x
  3. Step 3: Cross multiply
    376,042.18x = 564,065.19 × 126,726.34
  4. Step 4: Simplify right side
    376,042.18x = 71,481,917,050.10
  5. Step 5: Solve for x
    x = 71,481,917,050.10/376,042.18
  6. Step 6: Final answer
    x = 190,090.16

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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.