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Finding the Fourth Proportional to 253,700.48, 350,178.72 and 153,104.96

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Solution

The fourth proportional to 253,700.48, 350,178.72 and 153,104.96 is: 211,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,700.48 : 350,178.72 = 153,104.96 : x
  2. Step 2: Convert to fraction form
    253,700.48/350,178.72 = 153,104.96/x
  3. Step 3: Cross multiply
    253,700.48x = 350,178.72 × 153,104.96
  4. Step 4: Simplify right side
    253,700.48x = 53,614,098,918.45
  5. Step 5: Solve for x
    x = 53,614,098,918.45/253,700.48
  6. Step 6: Final answer
    x = 211,328.33

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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.