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Finding the Fourth Proportional to 84,683.90, 116,855.34 and 48,885.44

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Solution

The fourth proportional to 84,683.90, 116,855.34 and 48,885.44 is: 67,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,683.90 : 116,855.34 = 48,885.44 : x
  2. Step 2: Convert to fraction form
    84,683.90/116,855.34 = 48,885.44/x
  3. Step 3: Cross multiply
    84,683.90x = 116,855.34 × 48,885.44
  4. Step 4: Simplify right side
    84,683.90x = 5,712,524,127.97
  5. Step 5: Solve for x
    x = 5,712,524,127.97/84,683.90
  6. Step 6: Final answer
    x = 67,457.03

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1.5x scale

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.