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Finding the Fourth Proportional to 201,127.73, 301,686.92 and 101,261.11

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Solution

The fourth proportional to 201,127.73, 301,686.92 and 101,261.11 is: 151,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,127.73 : 301,686.92 = 101,261.11 : x
  2. Step 2: Convert to fraction form
    201,127.73/301,686.92 = 101,261.11/x
  3. Step 3: Cross multiply
    201,127.73x = 301,686.92 × 101,261.11
  4. Step 4: Simplify right side
    201,127.73x = 30,549,150,883.25
  5. Step 5: Solve for x
    x = 30,549,150,883.25/201,127.73
  6. Step 6: Final answer
    x = 151,889.31

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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.