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Finding the Fourth Proportional to 255,548.16, 352,651.71 and 140,837.43

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Solution

The fourth proportional to 255,548.16, 352,651.71 and 140,837.43 is: 194,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,548.16 : 352,651.71 = 140,837.43 : x
  2. Step 2: Convert to fraction form
    255,548.16/352,651.71 = 140,837.43/x
  3. Step 3: Cross multiply
    255,548.16x = 352,651.71 × 140,837.43
  4. Step 4: Simplify right side
    255,548.16x = 49,666,559,817.32
  5. Step 5: Solve for x
    x = 49,666,559,817.32/255,548.16
  6. Step 6: Final answer
    x = 194,353.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.