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Finding the Fourth Proportional to 207,160.56, 310,753.98 and 65,011.44

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Solution

The fourth proportional to 207,160.56, 310,753.98 and 65,011.44 is: 97,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,160.56 : 310,753.98 = 65,011.44 : x
  2. Step 2: Convert to fraction form
    207,160.56/310,753.98 = 65,011.44/x
  3. Step 3: Cross multiply
    207,160.56x = 310,753.98 × 65,011.44
  4. Step 4: Simplify right side
    207,160.56x = 20,202,563,725.53
  5. Step 5: Solve for x
    x = 20,202,563,725.53/207,160.56
  6. Step 6: Final answer
    x = 97,521.28

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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.