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Finding the Fourth Proportional to 224,737.50, 310,138.80 and 122,764.37

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Solution

The fourth proportional to 224,737.50, 310,138.80 and 122,764.37 is: 169,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,737.50 : 310,138.80 = 122,764.37 : x
  2. Step 2: Convert to fraction form
    224,737.50/310,138.80 = 122,764.37/x
  3. Step 3: Cross multiply
    224,737.50x = 310,138.80 × 122,764.37
  4. Step 4: Simplify right side
    224,737.50x = 38,073,995,169.90
  5. Step 5: Solve for x
    x = 38,073,995,169.90/224,737.50
  6. Step 6: Final answer
    x = 169,415.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.