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Finding the Fourth Proportional to 123,424.81, 185,098.93 and 44,528.78

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Solution

The fourth proportional to 123,424.81, 185,098.93 and 44,528.78 is: 66,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.81 : 185,098.93 = 44,528.78 : x
  2. Step 2: Convert to fraction form
    123,424.81/185,098.93 = 44,528.78/x
  3. Step 3: Cross multiply
    123,424.81x = 185,098.93 × 44,528.78
  4. Step 4: Simplify right side
    123,424.81x = 8,242,229,532.21
  5. Step 5: Solve for x
    x = 8,242,229,532.21/123,424.81
  6. Step 6: Final answer
    x = 66,779.36

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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.