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Finding the Fourth Proportional to 145,846.70, 218,770.05 and 96,080.30

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Solution

The fourth proportional to 145,846.70, 218,770.05 and 96,080.30 is: 144,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,846.70 : 218,770.05 = 96,080.30 : x
  2. Step 2: Convert to fraction form
    145,846.70/218,770.05 = 96,080.30/x
  3. Step 3: Cross multiply
    145,846.70x = 218,770.05 × 96,080.30
  4. Step 4: Simplify right side
    145,846.70x = 21,019,492,035.02
  5. Step 5: Solve for x
    x = 21,019,492,035.02/145,846.70
  6. Step 6: Final answer
    x = 144,120.45

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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.