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Finding the Fourth Proportional to 123,407.58, 185,073.06 and 44,511.54

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Solution

The fourth proportional to 123,407.58, 185,073.06 and 44,511.54 is: 66,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,407.58 : 185,073.06 = 44,511.54 : x
  2. Step 2: Convert to fraction form
    123,407.58/185,073.06 = 44,511.54/x
  3. Step 3: Cross multiply
    123,407.58x = 185,073.06 × 44,511.54
  4. Step 4: Simplify right side
    123,407.58x = 8,237,886,913.11
  5. Step 5: Solve for x
    x = 8,237,886,913.11/123,407.58
  6. Step 6: Final answer
    x = 66,753.49

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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.