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Finding the Fourth Proportional to 362,081.04, 542,661.93 and 162,393.36

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Solution

The fourth proportional to 362,081.04, 542,661.93 and 162,393.36 is: 243,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,081.04 : 542,661.93 = 162,393.36 : x
  2. Step 2: Convert to fraction form
    362,081.04/542,661.93 = 162,393.36/x
  3. Step 3: Cross multiply
    362,081.04x = 542,661.93 × 162,393.36
  4. Step 4: Simplify right side
    362,081.04x = 88,124,694,156.78
  5. Step 5: Solve for x
    x = 88,124,694,156.78/362,081.04
  6. Step 6: Final answer
    x = 243,383.90

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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.