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Finding the Fourth Proportional to 93,347.70, 139,851.45 and 53,787.30

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Solution

The fourth proportional to 93,347.70, 139,851.45 and 53,787.30 is: 80,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,347.70 : 139,851.45 = 53,787.30 : x
  2. Step 2: Convert to fraction form
    93,347.70/139,851.45 = 53,787.30/x
  3. Step 3: Cross multiply
    93,347.70x = 139,851.45 × 53,787.30
  4. Step 4: Simplify right side
    93,347.70x = 7,522,231,896.59
  5. Step 5: Solve for x
    x = 7,522,231,896.59/93,347.70
  6. Step 6: Final answer
    x = 80,582.94

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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.