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Finding the Fourth Proportional to 201,335.00, 302,221.32 and 81,474.45

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Solution

The fourth proportional to 201,335.00, 302,221.32 and 81,474.45 is: 122,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,335.00 : 302,221.32 = 81,474.45 : x
  2. Step 2: Convert to fraction form
    201,335.00/302,221.32 = 81,474.45/x
  3. Step 3: Cross multiply
    201,335.00x = 302,221.32 × 81,474.45
  4. Step 4: Simplify right side
    201,335.00x = 24,623,314,386.41
  5. Step 5: Solve for x
    x = 24,623,314,386.41/201,335.00
  6. Step 6: Final answer
    x = 122,300.22

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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.