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Finding the Fourth Proportional to 262,592.37, 362,357.01 and 155,142.03

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Solution

The fourth proportional to 262,592.37, 362,357.01 and 155,142.03 is: 214,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,592.37 : 362,357.01 = 155,142.03 : x
  2. Step 2: Convert to fraction form
    262,592.37/362,357.01 = 155,142.03/x
  3. Step 3: Cross multiply
    262,592.37x = 362,357.01 × 155,142.03
  4. Step 4: Simplify right side
    262,592.37x = 56,216,802,116.13
  5. Step 5: Solve for x
    x = 56,216,802,116.13/262,592.37
  6. Step 6: Final answer
    x = 214,083.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.