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Finding the Fourth Proportional to 151,352.70, 226,919.70 and 84,813.23

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Solution

The fourth proportional to 151,352.70, 226,919.70 and 84,813.23 is: 127,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,352.70 : 226,919.70 = 84,813.23 : x
  2. Step 2: Convert to fraction form
    151,352.70/226,919.70 = 84,813.23/x
  3. Step 3: Cross multiply
    151,352.70x = 226,919.70 × 84,813.23
  4. Step 4: Simplify right side
    151,352.70x = 19,245,792,707.63
  5. Step 5: Solve for x
    x = 19,245,792,707.63/151,352.70
  6. Step 6: Final answer
    x = 127,158.57

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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.