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Finding the Fourth Proportional to 223,955.46, 335,144.18 and 139,755.24

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Solution

The fourth proportional to 223,955.46, 335,144.18 and 139,755.24 is: 209,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,955.46 : 335,144.18 = 139,755.24 : x
  2. Step 2: Convert to fraction form
    223,955.46/335,144.18 = 139,755.24/x
  3. Step 3: Cross multiply
    223,955.46x = 335,144.18 × 139,755.24
  4. Step 4: Simplify right side
    223,955.46x = 46,838,155,449.59
  5. Step 5: Solve for x
    x = 46,838,155,449.59/223,955.46
  6. Step 6: Final answer
    x = 209,140.49

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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.