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Finding the Fourth Proportional to 65,352.20, 97,769.10 and 56,683.40

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Solution

The fourth proportional to 65,352.20, 97,769.10 and 56,683.40 is: 84,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.20 : 97,769.10 = 56,683.40 : x
  2. Step 2: Convert to fraction form
    65,352.20/97,769.10 = 56,683.40/x
  3. Step 3: Cross multiply
    65,352.20x = 97,769.10 × 56,683.40
  4. Step 4: Simplify right side
    65,352.20x = 5,541,885,002.94
  5. Step 5: Solve for x
    x = 5,541,885,002.94/65,352.20
  6. Step 6: Final answer
    x = 84,800.28

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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.