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Finding the Fourth Proportional to 158,785.49, 237,866.84 and 92,085.49

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Solution

The fourth proportional to 158,785.49, 237,866.84 and 92,085.49 is: 137,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,785.49 : 237,866.84 = 92,085.49 : x
  2. Step 2: Convert to fraction form
    158,785.49/237,866.84 = 92,085.49/x
  3. Step 3: Cross multiply
    158,785.49x = 237,866.84 × 92,085.49
  4. Step 4: Simplify right side
    158,785.49x = 21,904,083,461.06
  5. Step 5: Solve for x
    x = 21,904,083,461.06/158,785.49
  6. Step 6: Final answer
    x = 137,947.64

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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.