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Finding the Fourth Proportional to 123,364.05, 185,045.46 and 29,869.80

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Solution

The fourth proportional to 123,364.05, 185,045.46 and 29,869.80 is: 44,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,364.05 : 185,045.46 = 29,869.80 : x
  2. Step 2: Convert to fraction form
    123,364.05/185,045.46 = 29,869.80/x
  3. Step 3: Cross multiply
    123,364.05x = 185,045.46 × 29,869.80
  4. Step 4: Simplify right side
    123,364.05x = 5,527,270,881.11
  5. Step 5: Solve for x
    x = 5,527,270,881.11/123,364.05
  6. Step 6: Final answer
    x = 44,804.55

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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.