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Finding the Fourth Proportional to 96,353.80, 144,529.90 and 75,311.53

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Solution

The fourth proportional to 96,353.80, 144,529.90 and 75,311.53 is: 112,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,353.80 : 144,529.90 = 75,311.53 : x
  2. Step 2: Convert to fraction form
    96,353.80/144,529.90 = 75,311.53/x
  3. Step 3: Cross multiply
    96,353.80x = 144,529.90 × 75,311.53
  4. Step 4: Simplify right side
    96,353.80x = 10,884,768,180.26
  5. Step 5: Solve for x
    x = 10,884,768,180.26/96,353.80
  6. Step 6: Final answer
    x = 112,966.67

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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.