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Finding the Fourth Proportional to 158,803.97, 237,995.69 and 116,485.90

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Solution

The fourth proportional to 158,803.97, 237,995.69 and 116,485.90 is: 174,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,803.97 : 237,995.69 = 116,485.90 : x
  2. Step 2: Convert to fraction form
    158,803.97/237,995.69 = 116,485.90/x
  3. Step 3: Cross multiply
    158,803.97x = 237,995.69 × 116,485.90
  4. Step 4: Simplify right side
    158,803.97x = 27,723,140,968.35
  5. Step 5: Solve for x
    x = 27,723,140,968.35/158,803.97
  6. Step 6: Final answer
    x = 174,574.61

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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.