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Finding the Fourth Proportional to 358,547.75, 537,821.67 and 109,229.75

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Solution

The fourth proportional to 358,547.75, 537,821.67 and 109,229.75 is: 163,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,547.75 : 537,821.67 = 109,229.75 : x
  2. Step 2: Convert to fraction form
    358,547.75/537,821.67 = 109,229.75/x
  3. Step 3: Cross multiply
    358,547.75x = 537,821.67 × 109,229.75
  4. Step 4: Simplify right side
    358,547.75x = 58,746,126,558.68
  5. Step 5: Solve for x
    x = 58,746,126,558.68/358,547.75
  6. Step 6: Final answer
    x = 163,844.64

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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.