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Finding the Fourth Proportional to 323,153.35, 484,802.70 and 98,536.48

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Solution

The fourth proportional to 323,153.35, 484,802.70 and 98,536.48 is: 147,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,153.35 : 484,802.70 = 98,536.48 : x
  2. Step 2: Convert to fraction form
    323,153.35/484,802.70 = 98,536.48/x
  3. Step 3: Cross multiply
    323,153.35x = 484,802.70 × 98,536.48
  4. Step 4: Simplify right side
    323,153.35x = 47,770,751,552.50
  5. Step 5: Solve for x
    x = 47,770,751,552.50/323,153.35
  6. Step 6: Final answer
    x = 147,826.88

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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.