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Finding the Fourth Proportional to 270,753.90, 406,125.40 and 93,256.98

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Solution

The fourth proportional to 270,753.90, 406,125.40 and 93,256.98 is: 139,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,753.90 : 406,125.40 = 93,256.98 : x
  2. Step 2: Convert to fraction form
    270,753.90/406,125.40 = 93,256.98/x
  3. Step 3: Cross multiply
    270,753.90x = 406,125.40 × 93,256.98
  4. Step 4: Simplify right side
    270,753.90x = 37,874,028,305.29
  5. Step 5: Solve for x
    x = 37,874,028,305.29/270,753.90
  6. Step 6: Final answer
    x = 139,883.59

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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.