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Finding the Fourth Proportional to 158,553.12, 237,866.28 and 53,369.52

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Solution

The fourth proportional to 158,553.12, 237,866.28 and 53,369.52 is: 80,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,553.12 : 237,866.28 = 53,369.52 : x
  2. Step 2: Convert to fraction form
    158,553.12/237,866.28 = 53,369.52/x
  3. Step 3: Cross multiply
    158,553.12x = 237,866.28 × 53,369.52
  4. Step 4: Simplify right side
    158,553.12x = 12,694,809,187.79
  5. Step 5: Solve for x
    x = 12,694,809,187.79/158,553.12
  6. Step 6: Final answer
    x = 80,066.60

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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.