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Finding the Fourth Proportional to 96,611.40, 144,722.70 and 65,118.60

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Solution

The fourth proportional to 96,611.40, 144,722.70 and 65,118.60 is: 97,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,611.40 : 144,722.70 = 65,118.60 : x
  2. Step 2: Convert to fraction form
    96,611.40/144,722.70 = 65,118.60/x
  3. Step 3: Cross multiply
    96,611.40x = 144,722.70 × 65,118.60
  4. Step 4: Simplify right side
    96,611.40x = 9,424,139,612.22
  5. Step 5: Solve for x
    x = 9,424,139,612.22/96,611.40
  6. Step 6: Final answer
    x = 97,546.87

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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.