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Finding the Fourth Proportional to 93,351.98, 140,045.88 and 51,209

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Solution

The fourth proportional to 93,351.98, 140,045.88 and 51,209 is: 76,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,351.98 : 140,045.88 = 51,209 : x
  2. Step 2: Convert to fraction form
    93,351.98/140,045.88 = 51,209/x
  3. Step 3: Cross multiply
    93,351.98x = 140,045.88 × 51,209
  4. Step 4: Simplify right side
    93,351.98x = 7,171,609,468.92
  5. Step 5: Solve for x
    x = 7,171,609,468.92/93,351.98
  6. Step 6: Final answer
    x = 76,823.32

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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.