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Finding the Fourth Proportional to 93,703.74, 140,601.78 and 43,787.28

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Solution

The fourth proportional to 93,703.74, 140,601.78 and 43,787.28 is: 65,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,703.74 : 140,601.78 = 43,787.28 : x
  2. Step 2: Convert to fraction form
    93,703.74/140,601.78 = 43,787.28/x
  3. Step 3: Cross multiply
    93,703.74x = 140,601.78 × 43,787.28
  4. Step 4: Simplify right side
    93,703.74x = 6,156,569,509.36
  5. Step 5: Solve for x
    x = 6,156,569,509.36/93,703.74
  6. Step 6: Final answer
    x = 65,702.50

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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.