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Finding the Fourth Proportional to 93,859.30, 140,787.76 and 22,782.50

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Solution

The fourth proportional to 93,859.30, 140,787.76 and 22,782.50 is: 34,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,859.30 : 140,787.76 = 22,782.50 : x
  2. Step 2: Convert to fraction form
    93,859.30/140,787.76 = 22,782.50/x
  3. Step 3: Cross multiply
    93,859.30x = 140,787.76 × 22,782.50
  4. Step 4: Simplify right side
    93,859.30x = 3,207,496,438.26
  5. Step 5: Solve for x
    x = 3,207,496,438.26/93,859.30
  6. Step 6: Final answer
    x = 34,173.45

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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.