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Finding the Fourth Proportional to 93,240.40, 139,881.66 and 34,076.44

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Solution

The fourth proportional to 93,240.40, 139,881.66 and 34,076.44 is: 51,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,240.40 : 139,881.66 = 34,076.44 : x
  2. Step 2: Convert to fraction form
    93,240.40/139,881.66 = 34,076.44/x
  3. Step 3: Cross multiply
    93,240.40x = 139,881.66 × 34,076.44
  4. Step 4: Simplify right side
    93,240.40x = 4,766,668,994.09
  5. Step 5: Solve for x
    x = 4,766,668,994.09/93,240.40
  6. Step 6: Final answer
    x = 51,122.36

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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.