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Finding the Fourth Proportional to 144,795.60, 217,193.40 and 100,472.40

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Solution

The fourth proportional to 144,795.60, 217,193.40 and 100,472.40 is: 150,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,795.60 : 217,193.40 = 100,472.40 : x
  2. Step 2: Convert to fraction form
    144,795.60/217,193.40 = 100,472.40/x
  3. Step 3: Cross multiply
    144,795.60x = 217,193.40 × 100,472.40
  4. Step 4: Simplify right side
    144,795.60x = 21,821,942,162.16
  5. Step 5: Solve for x
    x = 21,821,942,162.16/144,795.60
  6. Step 6: Final answer
    x = 150,708.60

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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.