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Finding the Fourth Proportional to 238,999.55, 358,624.26 and 96,859.94

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Solution

The fourth proportional to 238,999.55, 358,624.26 and 96,859.94 is: 145,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,999.55 : 358,624.26 = 96,859.94 : x
  2. Step 2: Convert to fraction form
    238,999.55/358,624.26 = 96,859.94/x
  3. Step 3: Cross multiply
    238,999.55x = 358,624.26 × 96,859.94
  4. Step 4: Simplify right side
    238,999.55x = 34,736,322,513.02
  5. Step 5: Solve for x
    x = 34,736,322,513.02/238,999.55
  6. Step 6: Final answer
    x = 145,340.54

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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.