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Finding the Fourth Proportional to 543,114.90, 814,668.30 and 164,034.90

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Solution

The fourth proportional to 543,114.90, 814,668.30 and 164,034.90 is: 246,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,114.90 : 814,668.30 = 164,034.90 : x
  2. Step 2: Convert to fraction form
    543,114.90/814,668.30 = 164,034.90/x
  3. Step 3: Cross multiply
    543,114.90x = 814,668.30 × 164,034.90
  4. Step 4: Simplify right side
    543,114.90x = 133,634,033,123.67
  5. Step 5: Solve for x
    x = 133,634,033,123.67/543,114.90
  6. Step 6: Final answer
    x = 246,051.13

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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.