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Finding the Fourth Proportional to 144,900.40, 217,350.60 and 124,855.60

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Solution

The fourth proportional to 144,900.40, 217,350.60 and 124,855.60 is: 187,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,900.40 : 217,350.60 = 124,855.60 : x
  2. Step 2: Convert to fraction form
    144,900.40/217,350.60 = 124,855.60/x
  3. Step 3: Cross multiply
    144,900.40x = 217,350.60 × 124,855.60
  4. Step 4: Simplify right side
    144,900.40x = 27,137,439,573.36
  5. Step 5: Solve for x
    x = 27,137,439,573.36/144,900.40
  6. Step 6: Final answer
    x = 187,283.40

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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.