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Finding the Fourth Proportional to 224,011.98, 335,228.37 and 139,811.57

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Solution

The fourth proportional to 224,011.98, 335,228.37 and 139,811.57 is: 209,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,011.98 : 335,228.37 = 139,811.57 : x
  2. Step 2: Convert to fraction form
    224,011.98/335,228.37 = 139,811.57/x
  3. Step 3: Cross multiply
    224,011.98x = 335,228.37 × 139,811.57
  4. Step 4: Simplify right side
    224,011.98x = 46,868,804,561.35
  5. Step 5: Solve for x
    x = 46,868,804,561.35/224,011.98
  6. Step 6: Final answer
    x = 209,224.54

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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.