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Finding the Fourth Proportional to 269,764.38, 404,646.84 and 70,068.06

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Solution

The fourth proportional to 269,764.38, 404,646.84 and 70,068.06 is: 105,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,764.38 : 404,646.84 = 70,068.06 : x
  2. Step 2: Convert to fraction form
    269,764.38/404,646.84 = 70,068.06/x
  3. Step 3: Cross multiply
    269,764.38x = 404,646.84 × 70,068.06
  4. Step 4: Simplify right side
    269,764.38x = 28,352,819,063.93
  5. Step 5: Solve for x
    x = 28,352,819,063.93/269,764.38
  6. Step 6: Final answer
    x = 105,102.16

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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.