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Finding the Fourth Proportional to 323,334.42, 485,001.72 and 98,696.13

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Solution

The fourth proportional to 323,334.42, 485,001.72 and 98,696.13 is: 148,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,334.42 : 485,001.72 = 98,696.13 : x
  2. Step 2: Convert to fraction form
    323,334.42/485,001.72 = 98,696.13/x
  3. Step 3: Cross multiply
    323,334.42x = 485,001.72 × 98,696.13
  4. Step 4: Simplify right side
    323,334.42x = 47,867,792,807.34
  5. Step 5: Solve for x
    x = 47,867,792,807.34/323,334.42
  6. Step 6: Final answer
    x = 148,044.22

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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.