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Finding the Fourth Proportional to 123,369.84, 185,055.84 and 29,875.68

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Solution

The fourth proportional to 123,369.84, 185,055.84 and 29,875.68 is: 44,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,369.84 : 185,055.84 = 29,875.68 : x
  2. Step 2: Convert to fraction form
    123,369.84/185,055.84 = 29,875.68/x
  3. Step 3: Cross multiply
    123,369.84x = 185,055.84 × 29,875.68
  4. Step 4: Simplify right side
    123,369.84x = 5,528,669,057.97
  5. Step 5: Solve for x
    x = 5,528,669,057.97/123,369.84
  6. Step 6: Final answer
    x = 44,813.78

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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.