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Finding the Fourth Proportional to 69,985.68, 96,504.03 and 47,285.34

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Solution

The fourth proportional to 69,985.68, 96,504.03 and 47,285.34 is: 65,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.68 : 96,504.03 = 47,285.34 : x
  2. Step 2: Convert to fraction form
    69,985.68/96,504.03 = 47,285.34/x
  3. Step 3: Cross multiply
    69,985.68x = 96,504.03 × 47,285.34
  4. Step 4: Simplify right side
    69,985.68x = 4,563,225,869.92
  5. Step 5: Solve for x
    x = 4,563,225,869.92/69,985.68
  6. Step 6: Final answer
    x = 65,202.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.