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Finding the Fourth Proportional to 101,339.70, 151,267.43 and 89,369.22

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Solution

The fourth proportional to 101,339.70, 151,267.43 and 89,369.22 is: 133,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,339.70 : 151,267.43 = 89,369.22 : x
  2. Step 2: Convert to fraction form
    101,339.70/151,267.43 = 89,369.22/x
  3. Step 3: Cross multiply
    101,339.70x = 151,267.43 × 89,369.22
  4. Step 4: Simplify right side
    101,339.70x = 13,518,652,230.50
  5. Step 5: Solve for x
    x = 13,518,652,230.50/101,339.70
  6. Step 6: Final answer
    x = 133,399.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.