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Finding the Fourth Proportional to 201,036.51, 300,801.05 and 119,685.98

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Solution

The fourth proportional to 201,036.51, 300,801.05 and 119,685.98 is: 179,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,036.51 : 300,801.05 = 119,685.98 : x
  2. Step 2: Convert to fraction form
    201,036.51/300,801.05 = 119,685.98/x
  3. Step 3: Cross multiply
    201,036.51x = 300,801.05 × 119,685.98
  4. Step 4: Simplify right side
    201,036.51x = 36,001,666,351.84
  5. Step 5: Solve for x
    x = 36,001,666,351.84/201,036.51
  6. Step 6: Final answer
    x = 179,080.24

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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.