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Finding the Fourth Proportional to 124,324.29, 186,649.02 and 73,815.51

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Solution

The fourth proportional to 124,324.29, 186,649.02 and 73,815.51 is: 110,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,324.29 : 186,649.02 = 73,815.51 : x
  2. Step 2: Convert to fraction form
    124,324.29/186,649.02 = 73,815.51/x
  3. Step 3: Cross multiply
    124,324.29x = 186,649.02 × 73,815.51
  4. Step 4: Simplify right side
    124,324.29x = 13,777,592,602.30
  5. Step 5: Solve for x
    x = 13,777,592,602.30/124,324.29
  6. Step 6: Final answer
    x = 110,819.80

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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.