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Finding the Fourth Proportional to 170,547.84, 255,821.76 and 65,366.64

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Solution

The fourth proportional to 170,547.84, 255,821.76 and 65,366.64 is: 98,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,547.84 : 255,821.76 = 65,366.64 : x
  2. Step 2: Convert to fraction form
    170,547.84/255,821.76 = 65,366.64/x
  3. Step 3: Cross multiply
    170,547.84x = 255,821.76 × 65,366.64
  4. Step 4: Simplify right side
    170,547.84x = 16,722,208,890.09
  5. Step 5: Solve for x
    x = 16,722,208,890.09/170,547.84
  6. Step 6: Final answer
    x = 98,049.96

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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.