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Finding the Fourth Proportional to 358,069.86, 537,119.37 and 147,687.75

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Solution

The fourth proportional to 358,069.86, 537,119.37 and 147,687.75 is: 221,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,069.86 : 537,119.37 = 147,687.75 : x
  2. Step 2: Convert to fraction form
    358,069.86/537,119.37 = 147,687.75/x
  3. Step 3: Cross multiply
    358,069.86x = 537,119.37 × 147,687.75
  4. Step 4: Simplify right side
    358,069.86x = 79,325,951,236.72
  5. Step 5: Solve for x
    x = 79,325,951,236.72/358,069.86
  6. Step 6: Final answer
    x = 221,537.64

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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.