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Finding the Fourth Proportional to 115,970.94, 173,995.29 and 49,382.46

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Solution

The fourth proportional to 115,970.94, 173,995.29 and 49,382.46 is: 74,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,970.94 : 173,995.29 = 49,382.46 : x
  2. Step 2: Convert to fraction form
    115,970.94/173,995.29 = 49,382.46/x
  3. Step 3: Cross multiply
    115,970.94x = 173,995.29 × 49,382.46
  4. Step 4: Simplify right side
    115,970.94x = 8,592,315,448.61
  5. Step 5: Solve for x
    x = 8,592,315,448.61/115,970.94
  6. Step 6: Final answer
    x = 74,090.25

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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.