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Finding the Fourth Proportional to 181,026.70, 249,828.57 and 100,454.41

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Solution

The fourth proportional to 181,026.70, 249,828.57 and 100,454.41 is: 138,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,026.70 : 249,828.57 = 100,454.41 : x
  2. Step 2: Convert to fraction form
    181,026.70/249,828.57 = 100,454.41/x
  3. Step 3: Cross multiply
    181,026.70x = 249,828.57 × 100,454.41
  4. Step 4: Simplify right side
    181,026.70x = 25,096,381,600.49
  5. Step 5: Solve for x
    x = 25,096,381,600.49/181,026.70
  6. Step 6: Final answer
    x = 138,633.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.