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Finding the Fourth Proportional to 93,272.73, 139,792.05 and 73,473.09

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Solution

The fourth proportional to 93,272.73, 139,792.05 and 73,473.09 is: 110,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.73 : 139,792.05 = 73,473.09 : x
  2. Step 2: Convert to fraction form
    93,272.73/139,792.05 = 73,473.09/x
  3. Step 3: Cross multiply
    93,272.73x = 139,792.05 × 73,473.09
  4. Step 4: Simplify right side
    93,272.73x = 10,270,953,870.93
  5. Step 5: Solve for x
    x = 10,270,953,870.93/93,272.73
  6. Step 6: Final answer
    x = 110,117.44

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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.