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Finding the Fourth Proportional to 106,222.40, 159,074.40 and 101,556.80

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Solution

The fourth proportional to 106,222.40, 159,074.40 and 101,556.80 is: 152,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.40 : 159,074.40 = 101,556.80 : x
  2. Step 2: Convert to fraction form
    106,222.40/159,074.40 = 101,556.80/x
  3. Step 3: Cross multiply
    106,222.40x = 159,074.40 × 101,556.80
  4. Step 4: Simplify right side
    106,222.40x = 16,155,087,025.92
  5. Step 5: Solve for x
    x = 16,155,087,025.92/106,222.40
  6. Step 6: Final answer
    x = 152,087.38

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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.