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Finding the Fourth Proportional to 235,616.94, 353,495.07 and 135,848.70

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Solution

The fourth proportional to 235,616.94, 353,495.07 and 135,848.70 is: 203,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,616.94 : 353,495.07 = 135,848.70 : x
  2. Step 2: Convert to fraction form
    235,616.94/353,495.07 = 135,848.70/x
  3. Step 3: Cross multiply
    235,616.94x = 353,495.07 × 135,848.70
  4. Step 4: Simplify right side
    235,616.94x = 48,021,845,715.91
  5. Step 5: Solve for x
    x = 48,021,845,715.91/235,616.94
  6. Step 6: Final answer
    x = 203,813.21

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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.