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Finding the Fourth Proportional to 158,823.28, 237,723 and 87,634

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Solution

The fourth proportional to 158,823.28, 237,723 and 87,634 is: 131,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,823.28 : 237,723 = 87,634 : x
  2. Step 2: Convert to fraction form
    158,823.28/237,723 = 87,634/x
  3. Step 3: Cross multiply
    158,823.28x = 237,723 × 87,634
  4. Step 4: Simplify right side
    158,823.28x = 20,832,617,382
  5. Step 5: Solve for x
    x = 20,832,617,382/158,823.28
  6. Step 6: Final answer
    x = 131,168.54

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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.