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Finding the Fourth Proportional to 96,571.60, 144,808.80 and 57,140.80

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Solution

The fourth proportional to 96,571.60, 144,808.80 and 57,140.80 is: 85,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,571.60 : 144,808.80 = 57,140.80 : x
  2. Step 2: Convert to fraction form
    96,571.60/144,808.80 = 57,140.80/x
  3. Step 3: Cross multiply
    96,571.60x = 144,808.80 × 57,140.80
  4. Step 4: Simplify right side
    96,571.60x = 8,274,490,679.04
  5. Step 5: Solve for x
    x = 8,274,490,679.04/96,571.60
  6. Step 6: Final answer
    x = 85,682.44

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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.