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Finding the Fourth Proportional to 164,554.86, 246,783.38 and 69,783.65

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Solution

The fourth proportional to 164,554.86, 246,783.38 and 69,783.65 is: 104,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,554.86 : 246,783.38 = 69,783.65 : x
  2. Step 2: Convert to fraction form
    164,554.86/246,783.38 = 69,783.65/x
  3. Step 3: Cross multiply
    164,554.86x = 246,783.38 × 69,783.65
  4. Step 4: Simplify right side
    164,554.86x = 17,221,443,956.28
  5. Step 5: Solve for x
    x = 17,221,443,956.28/164,554.86
  6. Step 6: Final answer
    x = 104,654.73

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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.