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Finding the Fourth Proportional to 158,400.94, 237,601.42 and 53,219.92

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Solution

The fourth proportional to 158,400.94, 237,601.42 and 53,219.92 is: 79,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,400.94 : 237,601.42 = 53,219.92 : x
  2. Step 2: Convert to fraction form
    158,400.94/237,601.42 = 53,219.92/x
  3. Step 3: Cross multiply
    158,400.94x = 237,601.42 × 53,219.92
  4. Step 4: Simplify right side
    158,400.94x = 12,645,128,564.29
  5. Step 5: Solve for x
    x = 12,645,128,564.29/158,400.94
  6. Step 6: Final answer
    x = 79,829.88

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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.