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Finding the Fourth Proportional to 358,324.48, 537,564.48 and 109,000

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Solution

The fourth proportional to 358,324.48, 537,564.48 and 109,000 is: 163,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,324.48 : 537,564.48 = 109,000 : x
  2. Step 2: Convert to fraction form
    358,324.48/537,564.48 = 109,000/x
  3. Step 3: Cross multiply
    358,324.48x = 537,564.48 × 109,000
  4. Step 4: Simplify right side
    358,324.48x = 58,594,528,320
  5. Step 5: Solve for x
    x = 58,594,528,320/358,324.48
  6. Step 6: Final answer
    x = 163,523.65

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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.