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Finding the Fourth Proportional to 223,955.96, 335,144.93 and 139,755.74

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Solution

The fourth proportional to 223,955.96, 335,144.93 and 139,755.74 is: 209,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,955.96 : 335,144.93 = 139,755.74 : x
  2. Step 2: Convert to fraction form
    223,955.96/335,144.93 = 139,755.74/x
  3. Step 3: Cross multiply
    223,955.96x = 335,144.93 × 139,755.74
  4. Step 4: Simplify right side
    223,955.96x = 46,838,427,838.48
  5. Step 5: Solve for x
    x = 46,838,427,838.48/223,955.96
  6. Step 6: Final answer
    x = 209,141.24

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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.