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Finding the Fourth Proportional to 358,371.82, 537,429.63 and 118,441.30

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Solution

The fourth proportional to 358,371.82, 537,429.63 and 118,441.30 is: 177,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,371.82 : 537,429.63 = 118,441.30 : x
  2. Step 2: Convert to fraction form
    358,371.82/537,429.63 = 118,441.30/x
  3. Step 3: Cross multiply
    358,371.82x = 537,429.63 × 118,441.30
  4. Step 4: Simplify right side
    358,371.82x = 63,653,864,035.72
  5. Step 5: Solve for x
    x = 63,653,864,035.72/358,371.82
  6. Step 6: Final answer
    x = 177,619.61

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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.