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Finding the Fourth Proportional to 251,833.17, 377,790.80 and 74,358.12

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Solution

The fourth proportional to 251,833.17, 377,790.80 and 74,358.12 is: 111,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,833.17 : 377,790.80 = 74,358.12 : x
  2. Step 2: Convert to fraction form
    251,833.17/377,790.80 = 74,358.12/x
  3. Step 3: Cross multiply
    251,833.17x = 377,790.80 × 74,358.12
  4. Step 4: Simplify right side
    251,833.17x = 28,091,813,269.51
  5. Step 5: Solve for x
    x = 28,091,813,269.51/251,833.17
  6. Step 6: Final answer
    x = 111,549.30

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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.