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Finding the Fourth Proportional to 158,447.57, 237,511.33 and 99,324.68

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Solution

The fourth proportional to 158,447.57, 237,511.33 and 99,324.68 is: 148,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,447.57 : 237,511.33 = 99,324.68 : x
  2. Step 2: Convert to fraction form
    158,447.57/237,511.33 = 99,324.68/x
  3. Step 3: Cross multiply
    158,447.57x = 237,511.33 × 99,324.68
  4. Step 4: Simplify right side
    158,447.57x = 23,590,736,848.62
  5. Step 5: Solve for x
    x = 23,590,736,848.62/158,447.57
  6. Step 6: Final answer
    x = 148,886.71

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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.