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Finding the Fourth Proportional to 95,874.40, 143,811.60 and 67,880.80

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Solution

The fourth proportional to 95,874.40, 143,811.60 and 67,880.80 is: 101,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,874.40 : 143,811.60 = 67,880.80 : x
  2. Step 2: Convert to fraction form
    95,874.40/143,811.60 = 67,880.80/x
  3. Step 3: Cross multiply
    95,874.40x = 143,811.60 × 67,880.80
  4. Step 4: Simplify right side
    95,874.40x = 9,762,046,457.28
  5. Step 5: Solve for x
    x = 9,762,046,457.28/95,874.40
  6. Step 6: Final answer
    x = 101,821.20

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1.5x scale

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.