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Finding the Fourth Proportional to 242,005.86, 333,936.54 and 134,554.50

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Solution

The fourth proportional to 242,005.86, 333,936.54 and 134,554.50 is: 185,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,005.86 : 333,936.54 = 134,554.50 : x
  2. Step 2: Convert to fraction form
    242,005.86/333,936.54 = 134,554.50/x
  3. Step 3: Cross multiply
    242,005.86x = 333,936.54 × 134,554.50
  4. Step 4: Simplify right side
    242,005.86x = 44,932,664,171.43
  5. Step 5: Solve for x
    x = 44,932,664,171.43/242,005.86
  6. Step 6: Final answer
    x = 185,667.67

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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.