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Finding the Fourth Proportional to 120,170.01, 180,363.33 and 64,056.84

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Solution

The fourth proportional to 120,170.01, 180,363.33 and 64,056.84 is: 96,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,170.01 : 180,363.33 = 64,056.84 : x
  2. Step 2: Convert to fraction form
    120,170.01/180,363.33 = 64,056.84/x
  3. Step 3: Cross multiply
    120,170.01x = 180,363.33 × 64,056.84
  4. Step 4: Simplify right side
    120,170.01x = 11,553,504,971.68
  5. Step 5: Solve for x
    x = 11,553,504,971.68/120,170.01
  6. Step 6: Final answer
    x = 96,143.00

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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.