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Finding the Fourth Proportional to 244,000.81, 366,030.74 and 86,196.97

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Solution

The fourth proportional to 244,000.81, 366,030.74 and 86,196.97 is: 129,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,000.81 : 366,030.74 = 86,196.97 : x
  2. Step 2: Convert to fraction form
    244,000.81/366,030.74 = 86,196.97/x
  3. Step 3: Cross multiply
    244,000.81x = 366,030.74 × 86,196.97
  4. Step 4: Simplify right side
    244,000.81x = 31,550,740,714.86
  5. Step 5: Solve for x
    x = 31,550,740,714.86/244,000.81
  6. Step 6: Final answer
    x = 129,305.89

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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.