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Finding the Fourth Proportional to 358,251.69, 537,358.10 and 108,914.25

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Solution

The fourth proportional to 358,251.69, 537,358.10 and 108,914.25 is: 163,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,251.69 : 537,358.10 = 108,914.25 : x
  2. Step 2: Convert to fraction form
    358,251.69/537,358.10 = 108,914.25/x
  3. Step 3: Cross multiply
    358,251.69x = 537,358.10 × 108,914.25
  4. Step 4: Simplify right side
    358,251.69x = 58,525,953,898.35
  5. Step 5: Solve for x
    x = 58,525,953,898.35/358,251.69
  6. Step 6: Final answer
    x = 163,365.46

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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.